Olsen Michael. (2008). Handbook of Hospitality Strategic Management. Routledge.
Chicago Style aipamenaOlsen Michael. Handbook of Hospitality Strategic Management. London: Routledge, 2008.
MLA aipamenaOlsen Michael. Handbook of Hospitality Strategic Management. Routledge, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.