Global Programme for Vaccines and Immunization Expanded Programme on immunization.
Chicago-čujuhus (17. p.)Global Programme for Vaccines and Immunization Expanded Programme on Immunization.
MLA-čujuhus (9. p.)Global Programme for Vaccines and Immunization Expanded Programme on Immunization.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.