APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.