APA-čujuhus (7. p.)
SpringerLink (Online service), Koonin, E., Landweber, L. F., & Lipman, D. Biology Direct. BioMed Central : Imprint: BioMed Central.
Chicago-čujuhus (17. p.)
SpringerLink (Online service), Eugene Koonin, Laura F. Landweber, juo David Lipman. Biology Direct. London: BioMed Central : Imprint: BioMed Central.
MLA-čujuhus (9. p.)
SpringerLink (Online service), et al. Biology Direct. BioMed Central : Imprint: BioMed Central.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.