Turk, C., & Kirkman, J. (1989). Effective writing: Improving scientific technical and business communication (2nd ed.). E & F N Spon.
Chicago-referens (17:e uppl.)Turk, Christopher, och John Kirkman. Effective Writing: Improving Scientific Technical and Business Communication. 2nd ed. London: E & F N Spon, 1989.
MLA-referens (9:e uppl.)Turk, Christopher, och John Kirkman. Effective Writing: Improving Scientific Technical and Business Communication. 2nd ed. E & F N Spon, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.