Baldock, P., Fitzgerald, D., & Kay, J. (2005). Understanding early years policy. Paul Chapman.
Lua i Stíl Chicago (17ú heag.)Baldock, Peter, Damien Fitzgerald, agus Janet Kay. Understanding Early Years Policy. London: Paul Chapman, 2005.
Lua MLA (8ú heag.)Baldock, Peter, et al. Understanding Early Years Policy. Paul Chapman, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.