Autor:	Sheppard, Stephen, Houlihan, Dennis M., Brooks, Gene, Huffman, Carol, Billack, Frank, Johnson, Virginia (Ginny), Feldstein, Sandy
Zdroj:	American Music Teacher, 2001 Aug 01. 51(1), 18-21.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/43546866 Zobrazit plný text záznamu