APA-Zitierstil (7. Ausg.)

Grilo, E. M. (1994). Systems and procedures of certification of qualifications in Portugal (1. ed.). CEDEFOP.

Chicago-Zitierstil (17. Ausg.)

Grilo, Eduardo Marçal. Systems and Procedures of Certification of Qualifications in Portugal. 1. ed. Berlin: CEDEFOP, 1994.

MLA-Zitierstil (9. Ausg.)

Grilo, Eduardo Marçal. Systems and Procedures of Certification of Qualifications in Portugal. 1. ed. CEDEFOP, 1994.