Ehlers, V. M., & Steel, E. W. (1966). Saneamiento urbano y rural (6a. ed.). Interamericana.
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Chicago Style (17th ed.) Citation
Ehlers, Víctor M., and Ernest W. Steel. Saneamiento Urbano Y Rural. 6a. ed. México: Interamericana, 1966.
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MLA (9th ed.) Citation
Ehlers, Víctor M., and Ernest W. Steel. Saneamiento Urbano Y Rural. 6a. ed. Interamericana, 1966.
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