Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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