Davey, S. (2003). State of the world's vaccines and immunization: Mick Geyer (Rev. ed.). World Health Organization.
Citace podle Chicago (17th ed.)Davey, Sheila. State of the World's Vaccines and Immunization: Mick Geyer. Rev. ed. Geneva: World Health Organization, 2003.
Citace podle MLA (9th ed.)Davey, Sheila. State of the World's Vaccines and Immunization: Mick Geyer. Rev. ed. World Health Organization, 2003.
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