Huelgas, R. R. (1977). An economic study of backyard cattle feeding and feedlot operations in the Philippines, 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Huelgas, Romeo Rodriguez. An Economic Study of Backyard Cattle Feeding and Feedlot Operations in the Philippines, 1970-1971 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Huelgas, Romeo Rodriguez. An Economic Study of Backyard Cattle Feeding and Feedlot Operations in the Philippines, 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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