Foster, D. L. (1993). Sales and marketing for the travel professional. Macmillion/Mc Graw -Hill.
Chicago Edition CitationFoster, Dennis L. Sales and Marketing for the Travel Professional. Lake Forest: Macmillion/Mc Graw -Hill, 1993.
Cita MLAFoster, Dennis L. Sales and Marketing for the Travel Professional. Macmillion/Mc Graw -Hill, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.