Citazione Stile APA (7a Edizione)

SHARMA R.C. (1999). BUSSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD.

Citazione stile Chigago Style (17a edizione)

SHARMA R.C. BUSSINESS CORRESPONDENCE & REPORT WRITING. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1999.

Citatione MLA (9a ed.)

SHARMA R.C. BUSSINESS CORRESPONDENCE & REPORT WRITING. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1999.