Piper, C. E. (2014). Investigator and fraud fighter guidebook: Operation war stories. Wiley.
Chicago-čujuhus (17. p.)Piper, Charles E. Investigator and Fraud Fighter Guidebook: Operation War Stories. Hoboken, New Jersey: Wiley, 2014.
MLA-čujuhus (9. p.)Piper, Charles E. Investigator and Fraud Fighter Guidebook: Operation War Stories. Wiley, 2014.
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