Electric Power Research Institute. (1981). Electricity: Todays Technologies, Tomorrow's Alternatives. California: Electric Power Research Institute.
استشهاد بنمط شيكاغوElectric Power Research Institute. Electricity: Todays Technologies, Tomorrow's Alternatives. California: Electric Power Research Institute, 1981.
MLA استشهادElectric Power Research Institute. Electricity: Todays Technologies, Tomorrow's Alternatives. California: Electric Power Research Institute, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.