Peccei, J. S. Child language (Second edition.).
Lua i Stíl Chicago (17ú heag.)Peccei, Jean Stilwell. Child Language. Second edition.
Lua MLA (8ú heag.)Peccei, Jean Stilwell. Child Language. Second edition.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.