Gaya APA

Phillips, B. (2009). Locksmith & securty professionals'exam study guide : ace the locksmith & securty professionals' exams! . Amerika: Mcgraw - Hill.

Gaya MLA

Phillips, Bill. "Locksmith & securty professionals'exam study guide : ace the locksmith & securty professionals' exams!". Amerika: Mcgraw - Hill, 2009. BUKU TEKS.