(2015). Introduction of Inactivated Poliovirus Vaccine and Switch from Trivalent to Bivalent Oral Poliovirus Vaccine — Worldwide, 2013–2016. MMWR Morb Mortal Wkly Rep.
Čikaški stil citiranja"Introduction of Inactivated Poliovirus Vaccine and Switch From Trivalent to Bivalent Oral Poliovirus Vaccine — Worldwide, 2013–2016." MMWR Morb Mortal Wkly Rep 2015.
MLA način citiranja"Introduction of Inactivated Poliovirus Vaccine and Switch From Trivalent to Bivalent Oral Poliovirus Vaccine — Worldwide, 2013–2016." MMWR Morb Mortal Wkly Rep 2015.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.