Cita APA (7a ed.)

Zvoncheck, J. (1993). Cruises: Selecting, selling and booking (2nd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Zvoncheck, Juls. Cruises: Selecting, Selling and Booking. 2nd ed. New Jersey: Prentice Hall, 1993.

Cita MLA (8a ed.)

Zvoncheck, Juls. Cruises: Selecting, Selling and Booking. 2nd ed. Prentice Hall, 1993.