Citazione Stile APA (7a Edizione)

ROY, S. K. (1979). Policy planning for agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. Tata McGraw-hill.

Citazione stile Chigago Style (17a edizione)

ROY, Susanta K. Policy Planning for Agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. New Delhi: Tata McGraw-hill, 1979.

Citatione MLA (9a ed.)

ROY, Susanta K. Policy Planning for Agricultural Development.: Susanta K. Roy, Ralp W. Cummings and Robert W. Hedit. Tata McGraw-hill, 1979.