University of the Philippines (Diliman). Graduate School. Catalogue, 1952-53- . General announcements, 1953-1954-. UP.
Παραπομπή σε μορφή Chicago (17η εκδ.)University of the Philippines (Diliman). Graduate School. Catalogue, 1952-53- . General Announcements, 1953-1954-. Quezon City: UP.
Παραπομπή σε μορφή MLA (9th εκδ.)University of the Philippines (Diliman). Graduate School. Catalogue, 1952-53- . General Announcements, 1953-1954-. UP.
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