Mathur, D. P., & Gupta, V. K. (1977). Changing pattern of wheat production and marketing: A resurvey in selected surplus and deficit areas. Centre for Management in Agriculture, Indian Institute of Management.
Lua i Stíl Chicago (17ú heag.)Mathur, D. P., agus V. K. Gupta. Changing Pattern of Wheat Production and Marketing: A Resurvey in Selected Surplus and Deficit Areas. Ahmedabad: Centre for Management in Agriculture, Indian Institute of Management, 1977.
Lua MLA (8ú heag.)Mathur, D. P., agus V. K. Gupta. Changing Pattern of Wheat Production and Marketing: A Resurvey in Selected Surplus and Deficit Areas. Centre for Management in Agriculture, Indian Institute of Management, 1977.
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