Dyfyniad APA

(2000). Writing skills for technical students (4th.ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Writing Skills for Technical Students. 4th.ed. New Jersey: Prentice Hall, 2000.

Dyfyniad MLA

Writing Skills for Technical Students. 4th.ed. Prentice Hall, 2000.

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