APA-referens (7:e uppl.)

Lewis, R. C. (1998). Cases in hospitality strategy and policy. Wiley.

Chicago-referens (17:e uppl.)

Lewis, Robert C. Cases in Hospitality Strategy and Policy. New York: Wiley, 1998.

MLA-referens (9:e uppl.)

Lewis, Robert C. Cases in Hospitality Strategy and Policy. Wiley, 1998.