(1950). The PUDs of Washington State: Promises compared with performance : prepared for the employes [sic] of Washington Water Power Co. s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe PUDs of Washington State: Promises Compared with Performance : Prepared for the Employes [sic] of Washington Water Power Co. [S.l.: s.n., 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThe PUDs of Washington State: Promises Compared with Performance : Prepared for the Employes [sic] of Washington Water Power Co. s.n., 1950.
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