Παραπομπή APA

Ball, B., & Duff, H. (2003). Red Hat linux 9 unleashed. Pearson Education.

Παραπομπή Chicago Style

Ball, Bill, και Hoyt Duff. Red Hat Linux 9 Unleashed. New Delhi: Pearson Education, 2003.

Παραπομπή MLA

Ball, Bill, και Hoyt Duff. Red Hat Linux 9 Unleashed. Pearson Education, 2003.