Esvelt & Saxon & Bovay Engineers, inc. (1972). Spokane wastewater study. Esvelt & Saxon/Bovay Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEsvelt & Saxon और inc Bovay Engineers. Spokane Wastewater Study. Spokane: Esvelt & Saxon/Bovay Engineers, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEsvelt & Saxon और inc Bovay Engineers. Spokane Wastewater Study. Esvelt & Saxon/Bovay Engineers, 1972.
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