KOONTZ HAROLD. (2013). ESSENTIALS OF MANAGEMENT (9TH ED.). TATA MC GRAW HILL.
芝加哥风格引文KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 9TH ED. NEW DELHI: TATA MC GRAW HILL, 2013.
MLA引文KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 9TH ED. TATA MC GRAW HILL, 2013.
警告：这些引文格式不一定是100％准确.