Abu Tayeh، S. N.، و Al Khawaldeh، K. (2004). Transformational Leadership A Study of the Leadership Behavior of Jordanian Managers Working in Petroleum Industry. دراسات - العلوم الإدارية، مج31, ع1 ، 169 - 179. مسترجع من http://search.mandumah.com/Record/661210
Abu Tayeh، Sultan N.، و Khleef Al Khawaldeh. "Transformational Leadership A Study of the Leadership Behavior of Jordanian Managers Working in Petroleum Industry." دراسات - العلوم الإدارية مج31, ع1 (2004): 169 - 179. مسترجع من http://search.mandumah.com/Record/661210