APA aipamena

A K Srivastava & P K Tyagi. (2011). Practical agricultural meteorology. New Delhi.

Chicago Style aipamena

A K Srivastava and P K Tyagi. Practical Agricultural Meteorology. New Delhi, 2011.

MLA aipamena

A K Srivastava and P K Tyagi. Practical Agricultural Meteorology. New Delhi, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.