APA (7th ed.) Zitazioa
Merrett, S. Water for Agriculture: Irrigation Economics in International Perspective. Spon.
Chicago Style (17th ed.) Zitazioa
Merrett, Stephen. Water for Agriculture: Irrigation Economics in International Perspective. Londres, Inglaterra: Spon.
MLA (9th ed.) Zitazioa
Merrett, Stephen. Water for Agriculture: Irrigation Economics in International Perspective. Spon.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.