Droege, P. (2009). 100% renewable: Energy autonomy in action. Earthscan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDroege, Peter. 100% Renewable: Energy Autonomy in Action. London: Earthscan, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDroege, Peter. 100% Renewable: Energy Autonomy in Action. Earthscan, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.