ebrary, Inc. (2004). Financing vaccines in the 21st century: Assuring access and availability. National Academies Press.
Chicago-referens (17:e uppl.)ebrary, Inc. Financing Vaccines in the 21st Century: Assuring Access and Availability. Washington, D.C.: National Academies Press, 2004.
MLA-referens (9:e uppl.)ebrary, Inc. Financing Vaccines in the 21st Century: Assuring Access and Availability. National Academies Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.