APA-čujuhus (7. p.)
Crawford, D. H. (2007). Deadly companions: How microbes shaped our history. Oxford University Press.
Chicago-čujuhus (17. p.)
Crawford, Dorothy H. Deadly Companions: How Microbes Shaped Our History. Oxford ; New York: Oxford University Press, 2007.
MLA-čujuhus (9. p.)
Crawford, Dorothy H. Deadly Companions: How Microbes Shaped Our History. Oxford University Press, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.