De Leon, V. C. (1977). The effect of outdoor and indoor management and the level of concentrate feeding on the performance of dairy cows in a humid tropical environment [microform]. Photoduplication Service. University of the Philippines Library.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)De Leon, Victoria Caraig. The Effect of Outdoor and Indoor Management and the Level of Concentrate Feeding on the Performance of Dairy Cows in a Humid Tropical Environment [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)De Leon, Victoria Caraig. The Effect of Outdoor and Indoor Management and the Level of Concentrate Feeding on the Performance of Dairy Cows in a Humid Tropical Environment [microform]. Photoduplication Service. University of the Philippines Library, 1977.