Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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