Ingre, D. (2008). Engineering communication: A practical guide to workplace communications for engineers (International student ed.). Thomson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIngre, David. Engineering Communication: A Practical Guide to Workplace Communications for Engineers. International student ed. Southbank, Vict: Thomson, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIngre, David. Engineering Communication: A Practical Guide to Workplace Communications for Engineers. International student ed. Thomson, 2008.
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