Morrison, Alison J. (2007). Hospitality: A Social Lens. Elsevier. ISBN 978-0-08-045093-3. Lieberman, Karen; Nissen, Bruce (2008). Ethics in the Hospitality...
Morrison, Alison J. (2007). Hospitality: A Social Lens. Elsevier. ISBN 978-0-08-045093-3. Archived from the original on May 27, 2016. Retrieved October 22...
Morrison, Alison J. (2007). Hospitality: A Social Lens. Elsevier. ISBN 978-0-08-045093-3. Archived from the original on May 27, 2016. Retrieved October 20...