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.
Citace podle Chicago (17th ed.)Surapol 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.
Citace podle MLA (9th ed.)Surapol 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.