National Conference on Children and Youth, 1st, Quezon City, 1972, & Interdepartmental Committee on Children and Youth. (1974). Conference papers [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)National Conference on Children and Youth, 1st, Quezon City, 1972, och Interdepartmental Committee on Children and Youth. Conference Papers [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA-referens (9:e uppl.)National Conference on Children and Youth, 1st, Quezon City, 1972, och Interdepartmental Committee on Children and Youth. Conference Papers [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.