Public Broadcasting Service (U.S.), Media & Policy Center Foundation, PBS Video, Baroff, B., D'Agnese, J., & Kiernan, D. (2009). Going to green (Widescreen version.). Distributed by PBS Video.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPublic Broadcasting Service (U.S.), Media & Policy Center Foundation, PBS Video, Beverly Baroff, Joseph D'Agnese, और Denise Kiernan. Going to Green. Widescreen version. [Alexandria, Va.?]: Distributed by PBS Video, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPublic Broadcasting Service (U.S.), et al. Going to Green. Widescreen version. Distributed by PBS Video, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.