Cita APA (7th ed.)
Gartside, L. (1986). Modern business correspondence: A comprehensive guide to business writing and related office services (4th ed.). Macdonald and Evans.
Cita Chicago (17th ed.)
Gartside, L. Modern Business Correspondence: A Comprehensive Guide to Business Writing and Related Office Services. 4th ed. London: Macdonald and Evans, 1986.
Cita MLA (9th ed.)
Gartside, L. Modern Business Correspondence: A Comprehensive Guide to Business Writing and Related Office Services. 4th ed. Macdonald and Evans, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.