APA-čujuhus (7. p.)
Boyd, R., & Richerson, P. J. (2005). The origin and evolution of cultures. Oxford University Press.
Chicago-čujuhus (17. p.)
Boyd, Robert, juo Peter J. Richerson. The Origin and Evolution of Cultures. Oxford ; New York: Oxford University Press, 2005.
MLA-čujuhus (9. p.)
Boyd, Robert, juo Peter J. Richerson. The Origin and Evolution of Cultures. Oxford University Press, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.