(2014). World Polio Day — October 24, 2014. MMWR Morb Mortal Wkly Rep.
Citação norma Chicago"World Polio Day — October 24, 2014." MMWR Morb Mortal Wkly Rep 2014.
MLA Citation"World Polio Day — October 24, 2014." MMWR Morb Mortal Wkly Rep 2014.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.