Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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