Hutabarat, P. H. (1980). Estimation of phenotypic and genetic parameters of feed efficiency and its component traits in two meat-type chicken population [microform]. Photoduplication Service, University of the Philippines Library.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHutabarat, Pittor Hasudungan. Estimation of Phenotypic and Genetic Parameters of Feed Efficiency and Its Component Traits in Two Meat-type Chicken Population [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিHutabarat, Pittor Hasudungan. Estimation of Phenotypic and Genetic Parameters of Feed Efficiency and Its Component Traits in Two Meat-type Chicken Population [microform]. Photoduplication Service, University of the Philippines Library, 1980.