Sharma, R. (2002). Business correspondence and report writing- 3rd ed (3rd.).
Chicago-viite (17. p.)Sharma, R. Business Correspondence and Report Writing- 3rd Ed. 3rd. New Delhi, 2002.
MLA-viite (9. p.)Sharma, R. Business Correspondence and Report Writing- 3rd Ed. 3rd. 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.