APA (7 वां संस्करण) प्रशस्ति पत्र
National Academy of Engineering & ebrary, Inc. (2001). Memorial tributes. National Academy of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Academy of Engineering और Inc ebrary. Memorial Tributes. Washington, D.C.: National Academy of Engineering, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Academy of Engineering और Inc ebrary. Memorial Tributes. National Academy of Engineering, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.