ASAWA, G. L. (2005). IRRIGATION AND WATER RESOURCES ENGINEERING.
Chicago Style aipamenaASAWA, G L. IRRIGATION AND WATER RESOURCES ENGINEERING. NEW DELHI, NEW AGE INTERNATIONAL, 2005.
MLA aipamenaASAWA, G L. IRRIGATION AND WATER RESOURCES ENGINEERING. 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.