De Dios, A. J. (1985). The OECF in the Philippines, 1971-1981: A preliminary survey. Asian Center, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)De Dios, Aurora J. The OECF in the Philippines, 1971-1981: A Preliminary Survey. Quezon City, Philippines: Asian Center, University of the Philippines Diliman, 1985.
MLA-referens (9:e uppl.)De Dios, Aurora J. The OECF in the Philippines, 1971-1981: A Preliminary Survey. Asian Center, University of the Philippines Diliman, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.