Gaya APA

Hwang, N, H, C., Hita, C, E. (1987). Fundamentals of Hydraulic Engineering Systems . New Jersey: Prentice Hall.

Gaya MLA

Hwang, Ned, H., C.., Hita, Carlos, E.. "Fundamentals of Hydraulic Engineering Systems". New Jersey: Prentice Hall, 1987. Text.