APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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