Gartside, L. (1972). Model business letters: A classified selection of modern business letters for use in schools and in business (1. publ.). Macdonald & Evans.
Chicago-Zitierstil (17. Ausg.)Gartside, Leonard. Model Business Letters: A Classified Selection of Modern Business Letters for Use in Schools and in Business. 1. publ. London: Macdonald & Evans, 1972.
MLA-Zitierstil (9. Ausg.)Gartside, Leonard. Model Business Letters: A Classified Selection of Modern Business Letters for Use in Schools and in Business. 1. publ. Macdonald & Evans, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.