Norman, D. W. (1994). Farming systems development and soil conservation. Rome: Food and Agriculture Organization of the United Nations.
শিকাগো স্টাইলে সাইটেশনNorman, D. W. Farming Systems Development and Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 1994.
এমএলএ সাইটেশনNorman, D. W. Farming Systems Development and Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 1994.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.