Autor:	Mannings, Eva B., Hillerich, Robert L., Schulwitz, Bonnie Smith, Weinstock, Frank J., Prall, Elizabeth, Horner, Vivian M., Seymour, Dorothy Z., Ball, Margaret C., Solan, Harold A., Gomberg, Adeline W., Johnson, Richard, Piazza, Carolyn, Karlin, Robert, Dubbell, Elizabeth, Rossman, Warren F., Shackford, Helen G., Hilfman, T., Roberts, Elaine M.
Zdroj:	The Reading Teacher, 1974 Oct 01. 28(1), 61-75.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20193674 Zobrazit plný text záznamu