Sawyer, L. B. (2009). Sawyer's internal auditing=Audit Internal Sawyer buku 1 edisi 5. Salemba Empat.
Chicago (17e ed.) BronvermeldingSawyer, Lawrence B. Sawyer's Internal Auditing=Audit Internal Sawyer Buku 1 Edisi 5. Salemba Empat, 2009.
MLA (8e ed.) BronvermeldingSawyer, Lawrence B. Sawyer's Internal Auditing=Audit Internal Sawyer Buku 1 Edisi 5. Salemba Empat, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.