Irwin, T., Wechter, E., & MacMillan, M. (2014). Impact: Great leadership changes everything. BenBella Books.
芝加哥风格引文Irwin, Tim, Eric Wechter, 与 Matthew MacMillan. Impact: Great Leadership Changes Everything. Dallas, Texas: BenBella Books, 2014.
MLA引文Irwin, Tim, et al. Impact: Great Leadership Changes Everything. BenBella Books, 2014.
警告：这些引文格式不一定是100％准确.