Harris, A. J., & Sipay, E. R. (1981). How to Increase Reading Ability: A guide to Developmental and Remedial Methods. Longman.
Lua i Stíl Chicago (17ú heag.)Harris, Albert J., agus Edward R. Sipay. How to Increase Reading Ability: A Guide to Developmental and Remedial Methods. Longman, 1981.
Lua MLA (8ú heag.)Harris, Albert J., agus Edward R. Sipay. How to Increase Reading Ability: A Guide to Developmental and Remedial Methods. Longman, 1981.
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