Henry, M. K. (2003). Unlocking literacy: Effective decoding & spelling instruction. P.H. Brookes.
Citazione stile Chigago Style (17a edizione)Henry, Marcia Kierland. Unlocking Literacy: Effective Decoding & Spelling Instruction. Baltimore, Md: P.H. Brookes, 2003.
Citatione MLA (9a ed.)Henry, Marcia Kierland. Unlocking Literacy: Effective Decoding & Spelling Instruction. P.H. Brookes, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.