1. Text comprehension, memory, and learning.;Kintsch;American Psychologist,1994
2. A new readability yardstick.;Flesch;Journal of Applied Psychology,1948
3. Derivation Of New Readability Formulas (Automated Readability Index, Fog Count And Flesch Reading Ease Formula) For Navy Enlisted Personnel.;Kincaid,1975
4. The Technique of Clear Writing.;Gunning,1952
5. Senter, R.J., and Edgar A. Smith. (November 1967) “Automated Readability Index.” Wright-Patterson Air Force Base: iii. AMRL-TR-6620.