Betts, E. A., & O'Donnell, M. (1954). Guidebook for Here we go and Over the wall: Initial stages of reading readiness. Row, Peterson & Company.
Lua i Stíl Chicago (17ú heag.)Betts, Emmett A., agus Mabel O'Donnell. Guidebook for Here We Go and Over the Wall: Initial Stages of Reading Readiness. Evanston, Illinois ; White Plains, New York: Row, Peterson & Company, 1954.
Lua MLA (8ú heag.)Betts, Emmett A., agus Mabel O'Donnell. Guidebook for Here We Go and Over the Wall: Initial Stages of Reading Readiness. Row, Peterson & Company, 1954.
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