Philippine Association of University Professors. National Convention. (1951). Proceedings. 1st-. [s.n.].
Chicago-referens (17:e uppl.)Philippine Association of University Professors. National Convention. Proceedings. 1st-. Manila: [s.n.], 1951.
MLA-referens (9:e uppl.)Philippine Association of University Professors. National Convention. Proceedings. 1st-. [s.n.], 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.