Audit Internal Sawyer, Buku 2
Audit Internal Sawyer, Buku 1
Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 3, Ed.5
Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 1, Ed.5
Sawyer's Internal Auditing: Audit Internal Sawyer, Buku 2, Ed.5