Greening, R. (1981). Power planning primer: An introduction to Pacific Northwest electric power planning issues and the role of public power. Public Power Council.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Greening, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Greening, Robert. Power Planning Primer: An Introduction to Pacific Northwest Electric Power Planning Issues and the Role of Public Power. Public Power Council, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.