APA aipamena

Clark, C. (1970). The economics of irrigation. Oxford: Pergamon Press.

Chicago Style aipamena

Clark, Colin. The Economics of Irrigation. Oxford: Pergamon Press, 1970.

MLA aipamena

Clark, Colin. The Economics of Irrigation. Oxford: Pergamon Press, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.