APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. (2004). The engineer of 2020: Visions of engineering in the new century. National Academies Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. The Engineer of 2020: Visions of Engineering in the New Century. Washington, D.C.: National Academies Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc. The Engineer of 2020: Visions of Engineering in the New Century. National Academies Press, 2004.
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