Powers, J. P. (1992). Construction dewatering: New methods and applications (2nd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Powers, J. Patrick. Construction Dewatering: New Methods and Applications. 2nd ed. New York: Wiley, 1992.
Lua MLA (9ú heag.)Powers, J. Patrick. Construction Dewatering: New Methods and Applications. 2nd ed. Wiley, 1992.
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