Lua APA (7ú heag.)
ebrary, Inc, Botha, R. P., & Knight, C. (2009). The cradle of language. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Rudolf P. Botha, agus Chris Knight. The Cradle of Language. Oxford: Oxford University Press, 2009.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The Cradle of Language. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.