Gaya APA

Mays, V, T, C, D, R, M, L, W. (1988). Applied Hydrology . Singapore: McGraw-Hill Education.

Gaya MLA

Mays, Ven, Te, Chow,, David, R., Maidment,, Larry, W.. "Applied Hydrology". Singapore: McGraw-Hill Education, 1988. Text.