Wanlass, J. W. (1992). Accounting informantion manager: General ledger program. McGraw-Hill.
Cita Chicago (17th ed.)Wanlass, John W. Accounting Informantion Manager: General Ledger Program. New York: McGraw-Hill, 1992.
Cita MLA (8th ed.)Wanlass, John W. Accounting Informantion Manager: General Ledger Program. McGraw-Hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.