World Health Organization. (2003). Global strategy for infant and young child feeding. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Global Strategy for Infant and Young Child Feeding. Singapore: World Health Organization, 2003.
MLA aipamenaWorld Health Organization. Global Strategy for Infant and Young Child Feeding. World Health Organization, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.