Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Davey, S. (2002). State of the world's vaccines and immunization. World Health Organization.
Chicago Style (17th ed.) Zitazioa
Davey, Sheila. State of the World's Vaccines and Immunization. Geneva: World Health Organization, 2002.
MLA (9th ed.) Zitazioa
Davey, Sheila. State of the World's Vaccines and Immunization. World Health Organization, 2002.
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