Thill, J. V., Bovee, C. L., & Cross, A. (2009). Excellence in business communication (Third Canadian edition.). Pearson/Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThill, John V., Courtland L. Bovee, और Ava Cross. Excellence in Business Communication. Third Canadian edition. Toronto: Pearson/Prentice Hall, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThill, John V., et al. Excellence in Business Communication. Third Canadian edition. Pearson/Prentice Hall, 2009.
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