Ben, C. Y. (1992). Catchment runoff and rational formula. Littleton, CO : Water Resources Pub.
Cita Chicago (17th ed.)Ben, Chie Yen. Catchment Runoff and Rational Formula. Littleton, CO : Water Resources Pub, 1992.
Cita MLA (9th ed.)Ben, Chie Yen. Catchment Runoff and Rational Formula. Littleton, CO : Water Resources Pub, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.