APA (7 वां संस्करण) प्रशस्ति पत्र
National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), National Research Council (U.S.), & ebrary, Inc. (1997). Preparing for the 21st century: The education imperative. National Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), National Research Council (U.S.), और Inc ebrary. Preparing for the 21st Century: The Education Imperative. [Washington, D.C.]: National Academy of Sciences, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Academy of Sciences (U.S.), et al. Preparing for the 21st Century: The Education Imperative. National Academy of Sciences, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.