APA (7th ed.) Zitazioa

Turk, C., & Kirkman, J. (1989). Effective writing: Improving scientific technical and business communication (2nd ed.). E & F N Spon.

Chicago Style (17th ed.) Zitazioa

Turk, Christopher, eta John Kirkman. Effective Writing: Improving Scientific Technical and Business Communication. 2nd ed. London: E & F N Spon, 1989.

MLA (9th ed.) Zitazioa

Turk, Christopher, eta John Kirkman. Effective Writing: Improving Scientific Technical and Business Communication. 2nd ed. E & F N Spon, 1989.