HUGHES RICHARD L. (2014). LEADERSHIP (7TH ED.). MCGRAW HILL EDUCATION.
芝加哥风格引文HUGHES RICHARD L. LEADERSHIP. 7TH ED. NEW DELHI: MCGRAW HILL EDUCATION, 2014.
MLA引文HUGHES RICHARD L. LEADERSHIP. 7TH ED. MCGRAW HILL EDUCATION, 2014.
警告：这些引文格式不一定是100％准确.