Wilkinson, J. M. A. C. W. ;. C. (1971). Communicating Through Letters and Reports. Richard D. Irwin, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilkinson, J.H. Menning And C.W. Wilkinson ; C.W. Communicating Through Letters and Reports. Richard D. Irwin, Inc, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilkinson, J.H. Menning And C.W. Wilkinson ; C.W. Communicating Through Letters and Reports. Richard D. Irwin, Inc, 1971.
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