Waller, T. (2005). An introduction to early childhood: A multidisciplinary approach. Paul Chapman Pub. ; Sage Publications.
Lua i Stíl Chicago (17ú heag.)Waller, Tim. An Introduction to Early Childhood: A Multidisciplinary Approach. London : Thousand Oaks, Calif.: Paul Chapman Pub. ; Sage Publications, 2005.
Lua MLA (8ú heag.)Waller, Tim. An Introduction to Early Childhood: A Multidisciplinary Approach. Paul Chapman Pub. ; Sage Publications, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.