APA-Zitierstil (7. Ausg.)
Gartside, L. (1987). Model Business Letters: <A> classified selection of modern business letters for use in schools and in business (3. ed.). Pitman.
Chicago-Zitierstil (17. Ausg.)
Gartside, L. Model Business Letters: <A> Classified Selection of Modern Business Letters for Use in Schools and in Business. 3. ed. London: Pitman, 1987.
MLA-Zitierstil (9. Ausg.)
Gartside, L. Model Business Letters: <A> Classified Selection of Modern Business Letters for Use in Schools and in Business. 3. ed. Pitman, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.