Autor:	Baust,, Joseph A., Gibson, John T., Wentz, Kendall J., White, Stephen W., Creekmore, W. N., Sherbenou, Rita J., Denyer, William L., Capehart, Bertis E., Nicholson, Deborah, Hantula, James, Zax, Manual, Lieberman, Myron, Boyer, Allan C., Jamar, Donna, Arredondo-Dowd, Patricia M., Johnson, Arthur, Barth, Roland S., Ellis, Richard D., Brown, Ronald A.
Zdroj:	The Phi Delta Kappan, 1980 May 01. 61(9), 659-662.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20385676 Zobrazit plný text záznamu