APA aipamena

Sankaran, B. (2000). Osteoporosis. World Health Organization.

Chicago Style aipamena

Sankaran, Balu. Osteoporosis. New Delhi: World Health Organization, 2000.

MLA aipamena

Sankaran, Balu. Osteoporosis. World Health Organization, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.