APA (7th ed.) Zitazioa

Dube, D. R. (1987). Agricultural geography: Issues and applications. Gain.

Chicago Style (17th ed.) Zitazioa

Dube, Dr. R.S. Agricultural Geography: Issues and Applications. Delhi: Gain, 1987.

MLA (9th ed.) Zitazioa

Dube, Dr. R.S. Agricultural Geography: Issues and Applications. Gain, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.