Παραπομπή APA

Olsen Michael. (2008). Handbook of Hospitality Strategic Management. Routledge.

Παραπομπή Chicago Style

Olsen Michael. Handbook of Hospitality Strategic Management. London: Routledge, 2008.

Παραπομπή MLA

Olsen Michael. Handbook of Hospitality Strategic Management. Routledge, 2008.