United Nations. Economic Commission for Europe. (1993). Solar Power Systems. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Europe. Solar Power Systems. New York: United Nations, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Europe. Solar Power Systems. United Nations, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.