Gopalakrishnan Udayakumar. (2016). What it takes to be a Leader with Passion. Notion Press.
Citazione stile Chigago Style (17a edizione)Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Chennai: Notion Press, 2016.
Citatione MLA (9a ed.)Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Notion Press, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.