Grilo, E. M. (1994). Systems and procedures of certification of qualifications in Portugal (3. ed.). CEDEFOP.
Chicago Style (17th ed.) CitationGrilo, Eduardo Marçal. Systems and Procedures of Certification of Qualifications in Portugal. 3. ed. Berlin: CEDEFOP, 1994.
MLA (9th ed.) CitationGrilo, Eduardo Marçal. Systems and Procedures of Certification of Qualifications in Portugal. 3. ed. CEDEFOP, 1994.
Warning: These citations may not always be 100% accurate.