Shipley, D. (2008). Empowering children: Play-based curriculum for lifelong learning (Fourth edition.). Thomson.
Lua i Stíl Chicago (17ú heag.)Shipley, Dale. Empowering Children: Play-based Curriculum for Lifelong Learning. Fourth edition. Australia: Thomson, 2008.
Lua MLA (8ú heag.)Shipley, Dale. Empowering Children: Play-based Curriculum for Lifelong Learning. Fourth edition. Thomson, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.