Palad, O. A. (1977). A comparative evaluation of some pregnancy tests in cattle. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPalad, Orlando Adia. A Comparative Evaluation of Some Pregnancy Tests in Cattle. Quezon City: University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPalad, Orlando Adia. A Comparative Evaluation of Some Pregnancy Tests in Cattle. University of the Philippines Library, 1977.
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