Madden, D. L. (1978). Management accounting for the travel agency executive. Institute of Certifid Travel Agents.
Cita Chicago (17th ed.)Madden, Donald L. Management Accounting for the Travel Agency Executive. Wellesley: Institute of Certifid Travel Agents, 1978.
Cita MLA (9th ed.)Madden, Donald L. Management Accounting for the Travel Agency Executive. Institute of Certifid Travel Agents, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.