(1978). Population reseach and training institutions in Latin America. International Review Group.
Chicago-referens (17:e uppl.)Population Reseach and Training Institutions in Latin America. Mexico City: International Review Group, 1978.
MLA-referens (9:e uppl.)Population Reseach and Training Institutions in Latin America. International Review Group, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.