(1994). Resource: Engineering & technology for a sustainable world.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रResource: Engineering & Technology for a Sustainable World. 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रResource: Engineering & Technology for a Sustainable World. 1994.
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