Sharma, R. (2011). Business Correspondence and Report Writing (4th.). Tata McGraw Hill.
Chicago Style (17. basım) AtıfSharma, R.C. Business Correspondence and Report Writing. 4th. Tata McGraw Hill, 2011.
MLA (9th ed.) AtıfSharma, R.C. Business Correspondence and Report Writing. 4th. Tata McGraw Hill, 2011.
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