Philippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. (1995). Philippine major hog/sow. Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST).
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Philippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. Philippine Major Hog/sow. Quezon City: Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST), 1995.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Philippine Statistical Association-Agribusiness System for Statistical Information Services and Technology. Philippine Major Hog/sow. Philippine Statistical Association (PSA)-Agribusiness System for Statistical Information Services and Technology (ASSIST), 1995.