Cruttenden, A. (1979). Language in infancy and childhood: A linguistic introduction to language acquisition. Manchester University Press.
Lua i Stíl Chicago (17ú heag.)Cruttenden, Alan. Language in Infancy and Childhood: A Linguistic Introduction to Language Acquisition. Manchester: Manchester University Press, 1979.
Lua MLA (8ú heag.)Cruttenden, Alan. Language in Infancy and Childhood: A Linguistic Introduction to Language Acquisition. Manchester University Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.