Henry, M. K. (2010). Unlocking literacy: Effective decoding & spelling instruction (2nd ed.). P.H. Brookes.
Lua i Stíl Chicago (17ú heag.)Henry, Marcia Kierland. Unlocking Literacy: Effective Decoding & Spelling Instruction. 2nd ed. Baltimore, Md: P.H. Brookes, 2010.
Lua MLA (9ú heag.)Henry, Marcia Kierland. Unlocking Literacy: Effective Decoding & Spelling Instruction. 2nd ed. P.H. Brookes, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.