Sulong, A. M. (1986). Factors Associated with Cocoa Farmers' Participation in the Training and Visit Extension System in the District of Jerantut, State of Pahang, Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sulong, Abdul Manaf. Factors Associated with Cocoa Farmers' Participation in the Training and Visit Extension System in the District of Jerantut, State of Pahang, Malaysia. 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sulong, Abdul Manaf. Factors Associated with Cocoa Farmers' Participation in the Training and Visit Extension System in the District of Jerantut, State of Pahang, Malaysia. 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.