Day,Richard H, & Singh,Inderjit. (1977). Economic development as an adaptive process: The green revolution in the Indian Punjab. Cambridge University Press.
শিকাগো স্টাইলে সাইটেশনDay,Richard H, এবং Singh,Inderjit. Economic Development as an Adaptive Process: The Green Revolution in the Indian Punjab. Cambridge: Cambridge University Press, 1977.
এমএলএ সাইটেশনDay,Richard H, এবং Singh,Inderjit. Economic Development as an Adaptive Process: The Green Revolution in the Indian Punjab. Cambridge University Press, 1977.
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