Sharma, R. C. (2002). Business Correspondence and Report Writing. Dorling Kindersley.
Chicago Style aipamenaSharma, R C. Business Correspondence and Report Writing. New Delhi: Dorling Kindersley, 2002.
MLA aipamenaSharma, R C. Business Correspondence and Report Writing. Dorling Kindersley, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.