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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Philippines. University. Inter-Departmental Reference Service và Philippines. University. Library. Index to Philippine Periodicals. Manila: Inter-Departmental Reference Service, Institute of Public Administration, University of the Philippines, 1956.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Philippines. University. Inter-Departmental Reference Service và Philippines. University. Library. Index to Philippine Periodicals. Inter-Departmental Reference Service, Institute of Public Administration, University of the Philippines, 1956.