APA-referens (7:e uppl.)
Baugh, L. S. (1994). How to write first-class letters: The handbook for practical letter writing. NTC Pub. Group ; Viva Books Private Limited.
Chicago-referens (17:e uppl.)
Baugh, L. Sue. How to Write First-class Letters: The Handbook for Practical Letter Writing. Lincolnwood, Ill. ; New Delhi: NTC Pub. Group ; Viva Books Private Limited, 1994.
MLA-referens (9:e uppl.)
Baugh, L. Sue. How to Write First-class Letters: The Handbook for Practical Letter Writing. NTC Pub. Group ; Viva Books Private Limited, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.