Walker, R. (1978). Water supply, treatment, and distribution. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Walker, Rodger. Water Supply, Treatment, and Distribution. Englewood cliffs, N. J: Prentice-Hall, 1978.
MLA način citiranja (9. izdanje)Walker, Rodger. Water Supply, Treatment, and Distribution. Prentice-Hall, 1978.
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