Não informado. (2009). Child Development Perspectives. Blackwell Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Child Development Perspectives. Malden, Mass: Blackwell Publishing, 2009.
Lua MLA (8ú heag.)Não informado. Child Development Perspectives. Blackwell Publishing, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.