Dyfyniad APA

 Rothke, B. (2005).  Computer security: 20 things every employee should know.  McGraw-Hill.

Dyfyniad Arddull Chicago

 Rothke, Ben.  Computer Security: 20 Things Every Employee Should Know.  McGraw-Hill, 2005.

Dyfyniad MLA

 Rothke, Ben.  Computer Security: 20 Things Every Employee Should Know.  McGraw-Hill, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.