SAWYER, L. B. (2005). Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 1, Ed.5. Salemba Empat.
Chicago Style aipamenaSAWYER, Lawrence B. Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 1, Ed.5. Salemba Empat, 2005.
MLA aipamenaSAWYER, Lawrence B. Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 1, Ed.5. Salemba Empat, 2005.
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