APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Schulze, P. C. (1996). Engineering within ecological constraints. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Peter C. Schulze. Engineering Within Ecological Constraints. Washington, D.C.: National Academy Press, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Peter C. Schulze. Engineering Within Ecological Constraints. National Academy Press, 1996.
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