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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacific 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pacific 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.