Foster, D. L. (1998). The business of travelagency operations and administration. Glencoe/McGraw-Hill.
Chicago Style (17th ed.) CitationFoster, Dennis L. The Business of Travelagency Operations and Administration. Glencoe/McGraw-Hill, 1998.
Cita MLAFoster, Dennis L. The Business of Travelagency Operations and Administration. Glencoe/McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.