Tumacder, L. C. (1977). Politics in Tuguegarao, Cagayan: A study in decision-making [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTumacder, Lirio C. Politics in Tuguegarao, Cagayan: A Study in Decision-making [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTumacder, Lirio C. Politics in Tuguegarao, Cagayan: A Study in Decision-making [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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