Lua APA (7ú heag.)

Não informado. Immunization: Survey of recent research. Center for Disease Control.

Lua i Stíl Chicago (17ú heag.)

Não informado. Immunization: Survey of Recent Research. Atlanta, Ga: Center for Disease Control.

Lua MLA (8ú heag.)

Não informado. Immunization: Survey of Recent Research. Center for Disease Control.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.