Howell, J. P., & Costley, D. L. (2006). Understanding behaviors for effective leadership (2nd ed.). Pearson/Prentice Hall.
芝加哥风格引文Howell, Jon P., 与 Dan L. Costley. Understanding Behaviors for Effective Leadership. 2nd ed. Upper Saddle River, N.J. ; New Delhi: Pearson/Prentice Hall, 2006.
MLA引文Howell, Jon P., 与 Dan L. Costley. Understanding Behaviors for Effective Leadership. 2nd ed. Pearson/Prentice Hall, 2006.
警告：这些引文格式不一定是100％准确.