APA Format

37879;37880. (2001). Business travel and tourism. Oxford : Butterworth-Heinemann

MLA Format

37879;37880. Business travel and tourism. Oxford : Butterworth-Heinemann, 2001

Chicago Format

37879;37880. Business travel and tourism. Oxford : Butterworth-Heinemann, 2001

Australian/Harvard Format

37879;37880. 2001. Business travel and tourism. Butterworth-Heinemann Oxford