APA aipamena

 Phillips, B. (2009).  Locksmith and security professionals’ exam study guide.  McGraw-Hill.

Chicago Style aipamena

 Phillips, Bill.  Locksmith and Security Professionals’ Exam Study Guide.  McGraw-Hill, 2009.

MLA aipamena

 Phillips, Bill.  Locksmith and Security Professionals’ Exam Study Guide.  McGraw-Hill, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.