APA (7 ম সংস্করণ) উদ্ধৃতি

World Health Organization. (2004). Health of the elderly in south- east asia: A profile. Worlld Health Organization.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

World Health Organization. Health of the Elderly in South- East Asia: A Profile. New Delhi: Worlld Health Organization, 2004.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

World Health Organization. Health of the Elderly in South- East Asia: A Profile. Worlld Health Organization, 2004.