Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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