Cita APA (7th ed.)

Walker, R. (1978). Water supply, treatment, and distribution. Prentice-Hall.

Cita Chicago (17th ed.)

Walker, Rodger. Water Supply, Treatment, and Distribution. Englewood cliffs, N. J: Prentice-Hall, 1978.

Cita MLA (9th ed.)

Walker, Rodger. Water Supply, Treatment, and Distribution. Prentice-Hall, 1978.