Botel, M., Dawkins, J., Granowsky, A., A syntactic complexity formula. In W.M. McGinite (Ed.), Assessment Problems in Reading. Newark, Del.: International Reading Association, 1973, p. 77–95.
2.
Dale, E., Chall, J., A formula for predicting readability. Educational Research Bulletin, 1948, 27, 11–20, 37–54.
3.
Fry, E., A readability formula that saves time. Journal of Reading, 1968, 11, 512–516, 575–578.
4.
Harris, A., Sipay, E., How to Increase Reading Ability. New York: David McKay Co., 1975.
5.
Hittleman, D., Readability, readability formulas, and cloze: Selecting instructional materials. Journal of Reading, 1978, 22, 117–122.
6.
Jongsma, E., The difficulty of children's books: Librarian's judgments versus formula estimates. Elementary English, 1972, 49, 20–25.
7.
McLaughlin, G.H., SMOG grading—a new readability formula. Journal of Reading, 1969, 12, 639–646.
8.
Schnayer, S.W., Some Relations between Reading Interest and Reading Comprehension. Unpublished doctoral dissertation., University of California at Berkeley, 1967.
9.
Spache, G., Good Reading for Poor Readers. Champaign, Ill.: Garrard Publishing Co., 1968.
