Wongsrikeao, W. (1977). Blood gonadotrophic activity in carabao heifers during the estrous cycle [microform]. Photoduplication Service, University of the Philippines Library.
芝加哥风格引文Wongsrikeao, Weerasak. Blood Gonadotrophic Activity in Carabao Heifers During the Estrous Cycle [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA引文Wongsrikeao, Weerasak. Blood Gonadotrophic Activity in Carabao Heifers During the Estrous Cycle [microform]. Photoduplication Service, University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.