Citazione APA

Vogel, M., Papathanassis, A., & Wolber, B. (2012). The business and Management of Ocean cruises. CABI.

Stile di citazione Chicago

Vogel, Michael, Alexis Papathanassis, e Ben Wolber. The Business and Management of Ocean Cruises. UK: CABI, 2012.

Citazione MLA

Vogel, Michael, et al. The Business and Management of Ocean Cruises. CABI, 2012.