APA-čujuhus (7. p.)
ebrary, Inc, Botha, R. P., & Knight, C. (2009). The cradle of language. Oxford University Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, Rudolf P. Botha, juo Chris Knight. The Cradle of Language. Oxford: Oxford University Press, 2009.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. The Cradle of Language. Oxford University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.