Patton, D. H., Johnson, E. M., Sari, Bloser, P., & Ames, L. (1959). Spelling for word mastery (Skilltext ed.). C.E. Merrill.
Lua i Stíl Chicago (17ú heag.)Patton, David H., Eleanor M. Johnson, Sari, P.Z Bloser, agus Lee Ames. Spelling for Word Mastery. Skilltext ed. Columbus, Ohio: C.E. Merrill, 1959.
Lua MLA (8ú heag.)Patton, David H., et al. Spelling for Word Mastery. Skilltext ed. C.E. Merrill, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.