Nguyen Tri Khiem. (1977). An economic analysis of pasture improvement and grazing practices of beef cattle production in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Cytowanie według stylu Chicago (wyd. 17)Nguyen Tri Khiem. An Economic Analysis of Pasture Improvement and Grazing Practices of Beef Cattle Production in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cytowanie według stylu MLA (wyd. 9)Nguyen Tri Khiem. An Economic Analysis of Pasture Improvement and Grazing Practices of Beef Cattle Production in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..