Gregory, P. (2020). CISA Certified Information Systems Auditor Practice Exams (1st edition.). McGraw-Hill.
Cita Chicago Style (17a ed.)Gregory, Peter. CISA Certified Information Systems Auditor Practice Exams. 1st edition. McGraw-Hill, 2020.
Cita MLA (8a ed.)Gregory, Peter. CISA Certified Information Systems Auditor Practice Exams. 1st edition. McGraw-Hill, 2020.
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