APA引文

International Conference on Senior Tourism Recife/Olinda, Brazil, & World Tourism Organization. (1997). Second International Conference on Senior Tourism: Recife/Olinda, State of Pernambuco, Brazil, 12-15 September 1996 : proceedings - selected materials. World Tourism Organization.

Chicago Style (17th ed.) Citation

International Conference on Senior Tourism Recife/Olinda, Brazil, and World Tourism Organization. Second International Conference on Senior Tourism: Recife/Olinda, State of Pernambuco, Brazil, 12-15 September 1996 : Proceedings - Selected Materials. Madrid: World Tourism Organization, 1997.

MLA引文

International Conference on Senior Tourism Recife/Olinda, Brazil, and World Tourism Organization. Second International Conference on Senior Tourism: Recife/Olinda, State of Pernambuco, Brazil, 12-15 September 1996 : Proceedings - Selected Materials. World Tourism Organization, 1997.