Cita APA (7th ed.)

Dowling, R. K., & Weeden, C. (2017). Cruise ship tourism (Second edition.). CABI.

Cita Chicago (17th ed.)

Dowling, Ross Kingston, i Clare Weeden. Cruise Ship Tourism. Second edition. Oxfordshire, UK: CABI, 2017.

Cita MLA (9th ed.)

Dowling, Ross Kingston, i Clare Weeden. Cruise Ship Tourism. Second edition. CABI, 2017.