Khan, W. A., & Tripathy, R. N. (1972). Intensive agriculture and modern inputs: prospects of small farmers: A study in West Godavari District. National Institute of Community Development.
Chicago-viite (17. p.)Khan, Waheeduddin Ahmed, ja Ram Niranjan Tripathy. Intensive Agriculture and Modern Inputs: Prospects of Small Farmers: A Study in West Godavari District. Hyderabad [India]: National Institute of Community Development, 1972.
MLA-viite (8. p.)Khan, Waheeduddin Ahmed, ja Ram Niranjan Tripathy. Intensive Agriculture and Modern Inputs: Prospects of Small Farmers: A Study in West Godavari District. National Institute of Community Development, 1972.
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