University of the Philippines (Diliman). Graduate School. (1983). The Graduate School essential papers. U.P. Graduate School.
Chicago-referens (17:e uppl.)University of the Philippines (Diliman). Graduate School. The Graduate School Essential Papers. [Quezon City: U.P. Graduate School, 1983.
MLA-referens (9:e uppl.)University of the Philippines (Diliman). Graduate School. The Graduate School Essential Papers. U.P. Graduate School, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.