APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Landau, R., & Rosenberg, N. (1986). The Positive sum strategy: Harnessing technology for economic growth. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Ralph Landau, और Nathan Rosenberg. The Positive Sum Strategy: Harnessing Technology for Economic Growth. Washington, D.C.: National Academy Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. The Positive Sum Strategy: Harnessing Technology for Economic Growth. National Academy Press, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.