Παραπομπή APA

Wilson, E. (1990). Engineering hydrology (4th ed.). Macmillan.

Παραπομπή Chicago Style

Wilson, E.M. Engineering Hydrology. 4th ed. London: Macmillan, 1990.

Παραπομπή MLA

Wilson, E.M. Engineering Hydrology. 4th ed. Macmillan, 1990.