Philippines. University. Inter-Departmental Reference Service & Philippines. University. Library. (1956). Index to Philippine periodicals. Inter-Departmental Reference Service, Institute of Public Administration, University of the Philippines.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. University. Inter-Departmental Reference Service και Philippines. University. Library. Index to Philippine Periodicals. Manila: Inter-Departmental Reference Service, Institute of Public Administration, University of the Philippines, 1956.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines. University. Inter-Departmental Reference Service και Philippines. University. Library. Index to Philippine Periodicals. Inter-Departmental Reference Service, Institute of Public Administration, University of the Philippines, 1956.