Παραπομπή APA

Harris, G., & Katz, K. M. (1999). Promoting international tourism: To the year 2000 and beyond. Atlantic Publishers.

Παραπομπή Chicago Style

Harris, Godfrey, και Kenneth M. Katz. Promoting International Tourism: To the Year 2000 and Beyond. New Delhi: Atlantic Publishers, 1999.

Παραπομπή MLA

Harris, Godfrey, και Kenneth M. Katz. Promoting International Tourism: To the Year 2000 and Beyond. Atlantic Publishers, 1999.