FAZZINI M., FERRARA G., SCALETTI A. (2008), Yield management in cruise shipping companies. The case MSC, IAME & ATLAS Conference: «Cruise shipping opportunities and challenges» Proceedings, pp. 23-34, § 3, 3.1, 3.2, 3.3, 4, ISBN: 978-88-896-7716-2.

Fazzini M., Ferrara G., Scaletti A. (2008), Yield management in cruise shipping companies. The case MSC, IAME & ATLAS Conference: «Cruise shipping opportunities and challenges» Proceedings, pp. 23-34, § 3, 3.1, 3.2, 3.3, 4, ISBN: 978-88-896-7716-2.