Sylva, K., & Lunt, I. (1982). Child development: A first course. G. McIntyre, Blackwell.
Lua i Stíl Chicago (17ú heag.)Sylva, Kathy, agus Ingrid Lunt. Child Development: A First Course. London : UK: G. McIntyre, Blackwell, 1982.
Lua MLA (8ú heag.)Sylva, Kathy, agus Ingrid Lunt. Child Development: A First Course. G. McIntyre, Blackwell, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.