Lancaster, J., & Gaunt, J. (1976). Developments in early childhood education. Open Books.
Lua i Stíl Chicago (17ú heag.)Lancaster, Janet, agus Joan Gaunt. Developments in Early Childhood Education. London: Open Books, 1976.
Lua MLA (8ú heag.)Lancaster, Janet, agus Joan Gaunt. Developments in Early Childhood Education. Open Books, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.