Waterman, E. L. (1938). Elements of water supply engineering (2d ed.). J. Wiley & Sons, inc.; Chapman & Hall, limited.
Lua i Stíl Chicago (17ú heag.)Waterman, Earle Lytton. Elements of Water Supply Engineering. 2d ed. New York, London: J. Wiley & Sons, inc.; Chapman & Hall, limited, 1938.
Lua MLA (8ú heag.)Waterman, Earle Lytton. Elements of Water Supply Engineering. 2d ed. J. Wiley & Sons, inc.; Chapman & Hall, limited, 1938.
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