SHARMA, R. C. (2002). BUSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD.
Lua i Stíl Chicago (17ú heag.)SHARMA, R C. BUSINESS CORRESPONDENCE & REPORT WRITING. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 2002.
Lua MLA (9ú heag.)SHARMA, R C. BUSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD, 2002.
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