Cita APA (7a ed.)
ebrary, Inc, & Dowling, R. K. (2006). Cruise ship tourism. CABI.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Ross Kingston Dowling. Cruise Ship Tourism. Wallingford: CABI, 2006.
Cita MLA (9a ed.)
ebrary, Inc, y Ross Kingston Dowling. Cruise Ship Tourism. CABI, 2006.
Precaución: Estas citas no son 100% exactas.