APA (7 ম সংস্করণ) উদ্ধৃতি

World Health Organization Kobe Center. (1999). Ageing and health: A global challenge for the 21st century. World Health organization.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

World Health Organization Kobe Center. Ageing and Health: A Global Challenge for the 21st Century. Belgium: World Health organization, 1999.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

World Health Organization Kobe Center. Ageing and Health: A Global Challenge for the 21st Century. World Health organization, 1999.