Cita APA

Jefferies, J. P., & Jefferies, J. P. (1990). Understanding hospitality law (2. edition.). East Lansing, Mich.: Educational Institute of the American Hotel & Motel Association.

Citación estilo Chicago

Jefferies, Jack P., y Jack P. Jefferies. Understanding Hospitality Law. 2. edition. East Lansing, Mich.: Educational Institute of the American Hotel & Motel Association, 1990.

Cita MLA

Jefferies, Jack P., y Jack P. Jefferies. Understanding Hospitality Law. 2. edition. East Lansing, Mich.: Educational Institute of the American Hotel & Motel Association, 1990.