Liga Filipina. (1977). Questions and answers on the "Parity" amendment [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLiga Filipina. Questions and Answers on the "Parity" Amendment [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLiga Filipina. Questions and Answers on the "Parity" Amendment [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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