Autor:	Allen, Robert L., Anderson, Marian, Chall, Jeanne, Clymer, Theodore, Hayes, Albert L., Ives, Sumner, Marquardt, William, McDavid,, Raven I., Robinson, Helen M., Shannon, Margaret, Tyler, Priscilla
Zdroj:	The Reading Teacher, 1964 Dec 01. 18(3), 170-170.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20197884 Zobrazit plný text záznamu