Heaton, G., & Repetto, R. (1991). Transforming technology: An agenda for environmentally sustainable growth in the 21st century. World Resources Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeaton, George, और Robert Repetto. Transforming Technology: An Agenda for Environmentally Sustainable Growth in the 21st Century. Washington, D.C: World Resources Institute, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHeaton, George, और Robert Repetto. Transforming Technology: An Agenda for Environmentally Sustainable Growth in the 21st Century. World Resources Institute, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.