APA-čujuhus (7. p.)
SpringerLink (Online service), Lever, A., & Mak, J. Retrovirology. BioMed Central : Imprint: BioMed Central.
Chicago-čujuhus (17. p.)
SpringerLink (Online service), Andrew Lever, juo Johnson Mak. Retrovirology. London: BioMed Central : Imprint: BioMed Central.
MLA-čujuhus (9. p.)
SpringerLink (Online service), et al. Retrovirology. BioMed Central : Imprint: BioMed Central.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.