ROY, S. K. (1979). Policy planning for agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. Tata McGraw-hill.
Chicago Style (17. basım) AtıfROY, Susanta K. Policy Planning for Agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. New Delhi: Tata McGraw-hill, 1979.
MLA (9th ed.) AtıfROY, Susanta K. Policy Planning for Agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. Tata McGraw-hill, 1979.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..