Παραπομπή APA

Gupta,N S, & Singh,Amarjit. (1979). Agricultural development of states in India. Seema Publications.

Παραπομπή Chicago Style

Gupta,N S, και Singh,Amarjit. Agricultural Development of States in India. New Delhi: Seema Publications, 1979.

Παραπομπή MLA

Gupta,N S, και Singh,Amarjit. Agricultural Development of States in India. Seema Publications, 1979.