Davidoff, P. G. (1988). Financial management for travel agencies. Delmar Pub.
Cita Chicago (17th ed.)Davidoff, Philip G. Financial Management for Travel Agencies. Albany, N.Y: Delmar Pub, 1988.
Cita MLA (9th ed.)Davidoff, Philip G. Financial Management for Travel Agencies. Delmar Pub, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.