APA aipamena

Kumar, A., & Kumar, A. (1994). Fluctuations in crop output in Orissa. Calcutta.

Chicago Style aipamena

Kumar, Ashok, and Ashok Kumar. Fluctuations in Crop Output in Orissa. Calcutta, 1994.

MLA aipamena

Kumar, Ashok, and Ashok Kumar. Fluctuations in Crop Output in Orissa. Calcutta, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.