APA aipamena

Kay, R. D. (2008). Farm management. Boston: McGraw-Hill.

Chicago Style aipamena

Kay, Ronald D. Farm Management. Boston: McGraw-Hill, 2008.

MLA aipamena

Kay, Ronald D. Farm Management. Boston: McGraw-Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.