Sawyer, L. B. (2009). Sawyer's internal auditing=Audit Internal Sawyer buku 1 edisi 5. Salemba Empat.
Dyfyniad Arddull ChicagoSawyer, Lawrence B. Sawyer's Internal Auditing=Audit Internal Sawyer Buku 1 Edisi 5. Salemba Empat, 2009.
Dyfyniad MLASawyer, Lawrence B. Sawyer's Internal Auditing=Audit Internal Sawyer Buku 1 Edisi 5. Salemba Empat, 2009.
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