Cita APA (7a ed.)

Tracy, R. H. (2006). Novell certified Linux engineer 9 (CLE 9) study guide. Novell Press.

Cita Chicago Style (17a ed.)

Tracy, Robb H. Novell Certified Linux Engineer 9 (CLE 9) Study Guide. Indianapolis, Ind.: Novell Press, 2006.

Cita MLA (8a ed.)

Tracy, Robb H. Novell Certified Linux Engineer 9 (CLE 9) Study Guide. Novell Press, 2006.