Hagan, R. M., Haise, H. R., & Edminster, T. W. (1967). Irrigation of agricultural lands. American Society of Agronomy.
Cita Chicago (17th ed.)Hagan, Robert M., Howard R. Haise, i Talcott W. Edminster. Irrigation of Agricultural Lands. Madison, Wisconsin, USA: American Society of Agronomy, 1967.
Cita MLA (9th ed.)Hagan, Robert M., et al. Irrigation of Agricultural Lands. American Society of Agronomy, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.