FAO/UNDP Project BGD/79/034 'Strengthening the Agricultural Extension Service'. (1985). Agricultural extension manual: The training and visit system. Ministry of Agriculture [etc.].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFAO/UNDP Project BGD/79/034 'Strengthening the Agricultural Extension Service'. Agricultural Extension Manual: The Training and Visit System. Dhaka: Ministry of Agriculture [etc.], 1985.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিFAO/UNDP Project BGD/79/034 'Strengthening the Agricultural Extension Service'. Agricultural Extension Manual: The Training and Visit System. Ministry of Agriculture [etc.], 1985.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.