APA (7th ed.) Zitazioa

Rydzewski, J. R. (1987). irrigation development planning: An introduction for engineers. john and wiley & sons.

Chicago Style (17th ed.) Zitazioa

Rydzewski, J. R. Irrigation Development Planning: An Introduction for Engineers. london: john and wiley & sons, 1987.

MLA (9th ed.) Zitazioa

Rydzewski, J. R. Irrigation Development Planning: An Introduction for Engineers. john and wiley & sons, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.