APA

Gibbs T., . (2003). Sun Certified System Administrator For Solaris 9.0 : Study Guide. Washington: McGraw-Hill.

Chicago

Gibbs Tim, . 2003. Sun Certified System Administrator For Solaris 9.0 : Study Guide. Washington: McGraw-Hill.

Harvard

Gibbs T., . (2003). Sun Certified System Administrator For Solaris 9.0 : Study Guide. Washington: McGraw-Hill.

MLA

Gibbs Tim, . Sun Certified System Administrator For Solaris 9.0 : Study Guide. Washington: McGraw-Hill. 2003.