Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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