APA (7th ed.) Zitazioa
Turk, C., & Kirkman, J. (1989). Effective writing: Improving scientific, technical and business communication (2nd ed.). Chapman & Hall.
Chicago Style (17th ed.) Zitazioa
Turk, Christopher, eta John Kirkman. Effective Writing: Improving Scientific, Technical and Business Communication. 2nd ed. New York: Chapman & Hall, 1989.
MLA (9th ed.) Zitazioa
Turk, Christopher, eta John Kirkman. Effective Writing: Improving Scientific, Technical and Business Communication. 2nd ed. Chapman & Hall, 1989.
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