Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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