(1977). Musical scores for Ilokano zarzuelas [microform]. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMusical Scores for Ilokano Zarzuelas [microform]. Quezon City: University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMusical Scores for Ilokano Zarzuelas [microform]. University of the Philippines Library, 1977.
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