APA (7 ম সংস্করণ) উদ্ধৃতি

Gopalakrishnan Udayakumar. (2016). What it takes to be a Leader with Passion. Notion Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Chennai: Notion Press, 2016.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gopalakrishnan Udayakumar. What It Takes to Be a Leader with Passion. Notion Press, 2016.