SHARMA R.C. (1999). BUSSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD.
Čikaški stil citiranja (17. izdanje)SHARMA R.C. BUSSINESS CORRESPONDENCE & REPORT WRITING. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1999.
MLA način citiranja (9. izdanje)SHARMA R.C. BUSSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1999.
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