APA

Petersen R., . (2003). The Complete Reference Red Hat Linux 8. New York: McGraw-Hill.

Chicago

Petersen Richard, . 2003. The Complete Reference Red Hat Linux 8. New York: McGraw-Hill.

Harvard

Petersen R., . (2003). The Complete Reference Red Hat Linux 8. New York: McGraw-Hill.

MLA

Petersen Richard, . The Complete Reference Red Hat Linux 8. New York: McGraw-Hill. 2003.