World Health Organization. (2008). working towards better health in South- East Asia. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Working Towards Better Health in South- East Asia. New Delhi: World Health Organization, 2008.
MLA aipamenaWorld Health Organization. Working Towards Better Health in South- East Asia. World Health Organization, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.