Cita APA (7a ed.)

Jaspers, T., & Lammy, B. (1988). European social chapter [i.e. charter]: : 25 years. Kluwer Law and Taxation.

Cita Chicago Style (17a ed.)

Jaspers, Teun, y Betten Lammy. European Social Chapter [i.e. Charter]: : 25 Years. Paises Bajos: Kluwer Law and Taxation, 1988.

Cita MLA (9a ed.)

Jaspers, Teun, y Betten Lammy. European Social Chapter [i.e. Charter]: : 25 Years. Kluwer Law and Taxation, 1988.