APA aipamena

Verma, N. P. (1990). Irrigation change and agricultural development: An impact analysis. Uppal.

Chicago Style aipamena

Verma, Neelmani P. Irrigation Change and Agricultural Development: An Impact Analysis. New Delhi: Uppal, 1990.

MLA aipamena

Verma, Neelmani P. Irrigation Change and Agricultural Development: An Impact Analysis. Uppal, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.