APA (7. basım) Alıntı
ebrary, Inc. (2003). State of the world's vaccines and immunization (Rev. ed. 2003.). World Health Organization.
Chicago Style (17. basım) Atıf
ebrary, Inc. State of the World's Vaccines and Immunization. Rev. ed. 2003. [Geneva]: World Health Organization, 2003.
MLA (9th ed.) Atıf
ebrary, Inc. State of the World's Vaccines and Immunization. Rev. ed. 2003. World Health Organization, 2003.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..