National Library (Philippines). Filipiniana Division. (1971). Guide to doctoral dissertations on microfilm, 1937-1968, in the Filipiana Division. The Division.
Chicago-referens (17:e uppl.)National Library (Philippines). Filipiniana Division. Guide to Doctoral Dissertations on Microfilm, 1937-1968, in the Filipiana Division. Manila: The Division, 1971.
MLA-referens (8:e uppl.)National Library (Philippines). Filipiniana Division. Guide to Doctoral Dissertations on Microfilm, 1937-1968, in the Filipiana Division. The Division, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.