SHARMA R C. (2005). BUSINESS CORRESPONDENCE AND REPORT WRITING (3.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSHARMA R C. BUSINESS CORRESPONDENCE AND REPORT WRITING. 3. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSHARMA R C. BUSINESS CORRESPONDENCE AND REPORT WRITING. 3. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.
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