Cita APA (7th ed.)

French, C. N., Craig-Smith, S. J., & Collier, A. (1995). Principles of tourism. Longman.

Cita Chicago (17th ed.)

French, Christine Nancy, Stephen J. Craig-Smith, i Alan Collier. Principles of Tourism. South Melbourne, Australia: Longman, 1995.

Cita MLA (9th ed.)

French, Christine Nancy, et al. Principles of Tourism. Longman, 1995.