Citazione Stile APA (7a Edizione)

Ram, M. (1995). High yielding varieties of crops (2nd ed.). Oxford & IBH Publishing Co..

Citazione stile Chigago Style (17a edizione)

Ram, Mahabal. High Yielding Varieties of Crops. 2nd ed. New Delhi: Oxford & IBH Publishing Co., 1995.

Citatione MLA (9a ed.)

Ram, Mahabal. High Yielding Varieties of Crops. 2nd ed. Oxford & IBH Publishing Co., 1995.