Dyfyniad APA

Christopher Turk. (1989). Effective writing: Improving scientific, technical and business communication. London: E and FN Spon.

Dyfyniad Arddull Chicago

Christopher Turk. Effective Writing: Improving Scientific, Technical and Business Communication. London: E and FN Spon, 1989.

Dyfyniad MLA

Christopher Turk. Effective Writing: Improving Scientific, Technical and Business Communication. London: E and FN Spon, 1989.

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