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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Hutabarat, 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Hutabarat, 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.