APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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