D W Norman. (1995). FAO farm systems management series N10: The farming systems approach to development and appropriate technology generation. Rome: FAO.
শিকাগো স্টাইলে সাইটেশনD W Norman. FAO Farm Systems Management Series N10: The Farming Systems Approach to Development and Appropriate Technology Generation. Rome: FAO, 1995.
এমএলএ সাইটেশনD W Norman. FAO Farm Systems Management Series N10: The Farming Systems Approach to Development and Appropriate Technology Generation. Rome: FAO, 1995.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.