Puyaoan, R. B. (1977). The effect of weaning pigs at different ages on some aspects of the performance of the weanlings and of their dams [microform]. Photoduplication Service. University of the Philippines Library.
Citace podle Chicago (17th ed.)Puyaoan, Rodolfo B. The Effect of Weaning Pigs at Different Ages on Some Aspects of the Performance of the Weanlings and of Their Dams [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Puyaoan, Rodolfo B. The Effect of Weaning Pigs at Different Ages on Some Aspects of the Performance of the Weanlings and of Their Dams [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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