Greening, R. (1981). Power planning primer: An introduction to Pacific Northwest electric power planning issues and the role of public power. Public Power Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreening, Robert. Power Planning Primer: An Introduction to Pacific Northwest Electric Power Planning Issues and the Role of Public Power. Vancouver, Wash. (500 W. 8th St., Suite 110, Vancouver 98660): Public Power Council, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGreening, Robert. Power Planning Primer: An Introduction to Pacific Northwest Electric Power Planning Issues and the Role of Public Power. Public Power Council, 1981.
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