ebrary, Inc. (2004). Financing vaccines in the 21st century: Assuring access and availability. National Academies Press.
Čikaški stil citiranja (17. izdanje)ebrary, Inc. Financing Vaccines in the 21st Century: Assuring Access and Availability. Washington, D.C.: National Academies Press, 2004.
MLA način citiranja (9. izdanje)ebrary, Inc. Financing Vaccines in the 21st Century: Assuring Access and Availability. National Academies Press, 2004.
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