Howell, D. W. (1993). Passport: An introduction to the travel and tourism industry (2nd ed.). South-Western Pub.
Chicago Style (17th ed.) CitationHowell, David W. Passport: An Introduction to the Travel and Tourism Industry. 2nd ed. Cincinnati, Ohio: South-Western Pub, 1993.
MLA (9th ed.) CitationHowell, David W. Passport: An Introduction to the Travel and Tourism Industry. 2nd ed. South-Western Pub, 1993.
Warning: These citations may not always be 100% accurate.