Gopalakrishnan Udayakumar. (2016). What it takes to be a Leader with Passion. Notion Press.
芝加哥风格引文Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Chennai: Notion Press, 2016.
MLA引文Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Notion Press, 2016.
警告：这些引文格式不一定是100％准确.