APA (7th ed.) Citation

Kruse, B., & Kruse, B. English for the travel industry.

Chicago Style (17th ed.) Citation

Kruse, Benedict, and Bettijune Kruse. English for the Travel Industry. Singapore.

MLA (9th ed.) Citation

Kruse, Benedict, and Bettijune Kruse. English for the Travel Industry.

Warning: These citations may not always be 100% accurate.