Gartside, L. (1986). Modern business correspondence: A practical course for use in schools, and by all who would ... (4th ed.). Macdonald and Evans.
Chicago-referens (17:e uppl.)Gartside, L. Modern Business Correspondence: A Practical Course for Use in Schools, and by All Who Would ... 4th ed. London: Macdonald and Evans, 1986.
MLA-referens (9:e uppl.)Gartside, L. Modern Business Correspondence: A Practical Course for Use in Schools, and by All Who Would ... 4th ed. Macdonald and Evans, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.