APA引文

Foster, D. L. (1993). Sales and marketing for the travel professional. Macmillion/Mc Graw -Hill.

Chicago Edition Citation

Foster, Dennis L. Sales and Marketing for the Travel Professional. Lake Forest: Macmillion/Mc Graw -Hill, 1993.

MLA引文

Foster, Dennis L. Sales and Marketing for the Travel Professional. Macmillion/Mc Graw -Hill, 1993.

警告：这些引文格式不一定是100％准确.