Cruz, A. I. (1979). Academic freedom: Its nature, scope and implications [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Cruz, Agapito Ignacio. Academic Freedom: Its Nature, Scope and Implications [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA-referens (9:e uppl.)Cruz, Agapito Ignacio. Academic Freedom: Its Nature, Scope and Implications [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.