Bear, D. R., Johnston, F. R., & Invernizzi, M. (2006). Words their way: Letter and picture sorts for emergent spellers. Pearson/Merrill/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Bear, Donald R., Francine R. Johnston, agus Marcia Invernizzi. Words Their Way: Letter and Picture Sorts for Emergent Spellers. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall, 2006.
Lua MLA (9ú heag.)Bear, Donald R., et al. Words Their Way: Letter and Picture Sorts for Emergent Spellers. Pearson/Merrill/Prentice Hall, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.