Herr, J., & Libby-Larson, Y. (2004). Creative resources for the early childhood classroom (4th ed.). Thomson/Delmar Learning.
Lua i Stíl Chicago (17ú heag.)Herr, Judy, agus Yvonne Libby-Larson. Creative Resources for the Early Childhood Classroom. 4th ed. Australia: Thomson/Delmar Learning, 2004.
Lua MLA (9ú heag.)Herr, Judy, agus Yvonne Libby-Larson. Creative Resources for the Early Childhood Classroom. 4th ed. Thomson/Delmar Learning, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.