APA (7 ম সংস্করণ) উদ্ধৃতি

Megatrends in International Tourism Rome & Sessa, A. (1987). Megatrends in international tourism: Proceedings of the International Forum held April 2-3, 1987. Editrice Agnesotti.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Megatrends in International Tourism Rome এবং Alberto Sessa. Megatrends in International Tourism: Proceedings of the International Forum Held April 2-3, 1987. Rome: Editrice Agnesotti, 1987.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Megatrends in International Tourism Rome এবং Alberto Sessa. Megatrends in International Tourism: Proceedings of the International Forum Held April 2-3, 1987. Editrice Agnesotti, 1987.