Surapol Saingjaw. (1975). The rate of growth and quality of ducks produced by mating the white muscovy drake to black and white muscovy duck for broiler production [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSurapol Saingjaw. The Rate of Growth and Quality of Ducks Produced by Mating the White Muscovy Drake to Black and White Muscovy Duck for Broiler Production [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSurapol Saingjaw. The Rate of Growth and Quality of Ducks Produced by Mating the White Muscovy Drake to Black and White Muscovy Duck for Broiler Production [microform]. Photoduplication Service, University of the Philippines Library, 1975.