Cita APA (7a ed.)

Swarbrooke, J., & Horner, S. (2001). Business travel and tourism. Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Swarbrooke, John, y Susan Horner. Business Travel and Tourism. Oxford [etc.]: Butterworth-Heinemann, 2001.

Cita MLA (9a ed.)

Swarbrooke, John, y Susan Horner. Business Travel and Tourism. Butterworth-Heinemann, 2001.