Cartwright, R., & Baird, C. (1999). The development and growth of the cruise industry. Butterworth-Heinemann.
Citazione stile Chigago Style (17a edizione)Cartwright, Roger, e Carolyn Baird. The Development and Growth of the Cruise Industry. Oxford: Butterworth-Heinemann, 1999.
Citatione MLA (9a ed.)Cartwright, Roger, e Carolyn Baird. The Development and Growth of the Cruise Industry. Butterworth-Heinemann, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.