Cita APA (7th ed.)

Davidoff, P. G., Davidoff, D. S., & Eyre, J. D. (1988). Tourism geography. National Publishers.

Cita Chicago (17th ed.)

Davidoff, Philip G., Doris S. Davidoff, i J. Douglas Eyre. Tourism Geography. Elmsford, N.Y: National Publishers, 1988.

Cita MLA (9th ed.)

Davidoff, Philip G., et al. Tourism Geography. National Publishers, 1988.