APA

Kramer (John), . (2005). The CISA Prep Guide: Mastering the Certified Information Systems Auditor Exam. : .

Chicago

Kramer (John), . 2005. The CISA Prep Guide: Mastering the Certified Information Systems Auditor Exam. : .

Harvard

Kramer (John), . (2005). The CISA Prep Guide: Mastering the Certified Information Systems Auditor Exam. : .

MLA

Kramer (John), . The CISA Prep Guide: Mastering the Certified Information Systems Auditor Exam. : . 2005.