APA-čujuhus (7. p.)
SpringerLink (Online service). BMC Medicine. BioMed Central : Imprint: BioMed Central.
Chicago-čujuhus (17. p.)
SpringerLink (Online service). BMC Medicine. London: BioMed Central : Imprint: BioMed Central.
MLA-čujuhus (9. p.)
SpringerLink (Online service). BMC Medicine. BioMed Central : Imprint: BioMed Central.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.