Luna-an, H. L. (1977). The impact of imported breeding cattle on the beef industry of the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Luna-an, Hermetanio Lupiahan. The Impact of Imported Breeding Cattle on the Beef Industry of the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文Luna-an, Hermetanio Lupiahan. The Impact of Imported Breeding Cattle on the Beef Industry of the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.