Autor:	Kennedy, Thomas, McPherson, William H., Hartman, Robert S., Coit, Eleanor G., Golden, Clinton S., Ronan, William J.
Zdroj:	Industrial and Labor Relations Review, 1949 Apr 01. 2(3), 460-473.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2519097 Zobrazit plný text záznamu