Gaya APA
Whittington, O., Pany, K. (2008).
Principles of Auditing & Other Assurance Services (16 th edition ).
:
McGraw-Hill.New York.
Gaya MLA
Whittington, O.Ray., Pany, Kurt.
"Principles of Auditing & Other Assurance Services ".
16 th edition
:
McGraw-Hill.New York,
2008.
Koleksi World Bank.