Lua APA (7ú heag.)
Baugh, L. S. (1994). How to write first-class letters: The handbook for practical letter writing. NTC Pub. Group ; Viva Books Private Limited.
Lua i Stíl Chicago (17ú heag.)
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.
Lua MLA (9ú heag.)
Baugh, L. Sue. How to Write First-class Letters: The Handbook for Practical Letter Writing. NTC Pub. Group ; Viva Books Private Limited, 1994.
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