Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Updated to December 2011' (2012), pp. 1–1, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'The Authors' (2012), pp. 3–4, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'List of Abbreviations' (2012), pp. 19–20, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Introduction' (2012), pp. 21–66, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Selected Bibliography' (2012), pp. 67–68, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Part I. The Individual Employment Relationship' (2012), pp. 69–182, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Part II. Collective Labour Relations' (2012), pp. 183–260, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)

Prof.dr. B. Van der Laat, Prof.dr.A. Godinez, 'Index' (2012), pp. 261–266, in Roger Blanpain (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor), Costa Rica, International Encyclopaedia for Labour Law and Industrial Relations (Kluwer Law International BV, The Netherlands)