Παραπομπή APA

Gibson, P. (2012). Cruise operations management (2nd ed.). Routledge.

Παραπομπή Chicago Style

Gibson, Philip. Cruise Operations Management. 2nd ed. London ; New York: Routledge, 2012.

Παραπομπή MLA

Gibson, Philip. Cruise Operations Management. 2nd ed. Routledge, 2012.