Ybanez, M. A. (1974). Four papers [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYbanez, Monina A. Four Papers [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYbanez, Monina A. Four Papers [microform]. Photoduplication Service. University of the Philippines Library, 1974.
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