Philippine Council for Agriculture and Resources Research, Los Banos, Laguna. (1976). Bibliography of research studies in agriculture, forestry, and fisheries in Northern Mindanao. Socio-Economics Research Division.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippine Council for Agriculture and Resources Research, Los Banos, Laguna. Bibliography of Research Studies in Agriculture, Forestry, and Fisheries in Northern Mindanao. Los Banos, Laguna: Socio-Economics Research Division, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippine Council for Agriculture and Resources Research, Los Banos, Laguna. Bibliography of Research Studies in Agriculture, Forestry, and Fisheries in Northern Mindanao. Socio-Economics Research Division, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.