Pacific Northwest Public Power Records Survey (U.S.). (1981). Guide to historical records of Pacific Northwest public power utilities. Graduate Program in Archival and Records Management Administration, History Department, Western Washington University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPacific Northwest Public Power Records Survey (U.S.). Guide to Historical Records of Pacific Northwest Public Power Utilities. Bellingha, Wash.: Graduate Program in Archival and Records Management Administration, History Department, Western Washington University, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPacific Northwest Public Power Records Survey (U.S.). Guide to Historical Records of Pacific Northwest Public Power Utilities. Graduate Program in Archival and Records Management Administration, History Department, Western Washington University, 1981.