O'Donnell, M., Townes, W., Brown, C. F., & Pescosolido, J. (1970). The reading road to spelling. Harper & Row.
Lua i Stíl Chicago (17ú heag.)O'Donnell, Mabel, Willmina Townes, Carl F. Brown, agus John Pescosolido. The Reading Road to Spelling. New York: Harper & Row, 1970.
Lua MLA (8ú heag.)O'Donnell, Mabel, et al. The Reading Road to Spelling. Harper & Row, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.