WHO Symposium on Ageing and Health: a Global Challenge for the 21st Century Kobe, Japan, & World Health Organization. Centre for Health Development. (1999). Ageing and health: A global challenge for the twenty-first century : proceedings of a WHO symposium, Kobe, 10-13 November 1998. World Health Organization.
Lua i Stíl Chicago (17ú heag.)WHO Symposium on Ageing and Health: a Global Challenge for the 21st Century Kobe, Japan, agus World Health Organization. Centre for Health Development. Ageing and Health: A Global Challenge for the Twenty-first Century : Proceedings of a WHO Symposium, Kobe, 10-13 November 1998. [Kobe, Japan]: World Health Organization, 1999.
Lua MLA (9ú heag.)WHO Symposium on Ageing and Health: a Global Challenge for the 21st Century Kobe, Japan, agus World Health Organization. Centre for Health Development. Ageing and Health: A Global Challenge for the Twenty-first Century : Proceedings of a WHO Symposium, Kobe, 10-13 November 1998. World Health Organization, 1999.