Παραπομπή σε μορφή APA (7η εκδ.)

Betts, E. A., & O'Donnell, M. (1938). Guidebook for teachers on initial stages of reading readiness. Row, Peterson & Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Betts, Emmett A., και Mabel O'Donnell. Guidebook for Teachers on Initial Stages of Reading Readiness. Evanston, Illinois ; New York City ; San Francisco: Row, Peterson & Company, 1938.

Παραπομπή σε μορφή MLA (8th εκδ.)

Betts, Emmett A., και Mabel O'Donnell. Guidebook for Teachers on Initial Stages of Reading Readiness. Row, Peterson & Company, 1938.