Gonsalves, C. Y. (1976). The proficiency levels of college freshmen in the University of the Philippines for college mathematics, 1961-1962 [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGonsalves, Corazon Y. The Proficiency Levels of College Freshmen in the University of the Philippines for College Mathematics, 1961-1962 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGonsalves, Corazon Y. The Proficiency Levels of College Freshmen in the University of the Philippines for College Mathematics, 1961-1962 [microform]. Photoduplication Service. University of the Philippines Library, 1976.
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