United Nations International Conference on Ageing Populations in the Context of Urbanization Sendai (Japan)). (1991). Ageing and urbanization: Proceedings of the United Nations International Conference on Ageing Populations in the Context of Urbanization, Sendai (Japan), 12-16 September 1988. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations International Conference on Ageing Populations in the Context of Urbanization Sendai (Japan)). Ageing and Urbanization: Proceedings of the United Nations International Conference on Ageing Populations in the Context of Urbanization, Sendai (Japan), 12-16 September 1988. New York: United Nations, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)United Nations International Conference on Ageing Populations in the Context of Urbanization Sendai (Japan)). Ageing and Urbanization: Proceedings of the United Nations International Conference on Ageing Populations in the Context of Urbanization, Sendai (Japan), 12-16 September 1988. United Nations, 1991.
