Shipley, D. (2002). Empowering children: Play-based curriculum for lifelong learning (Third edition.). Thomson.
Lua i Stíl Chicago (17ú heag.)Shipley, Dale. Empowering Children: Play-based Curriculum for Lifelong Learning. Third edition. Canada: Thomson, 2002.
Lua MLA (8ú heag.)Shipley, Dale. Empowering Children: Play-based Curriculum for Lifelong Learning. Third edition. Thomson, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.