APA (7 ম সংস্করণ) উদ্ধৃতি

Bono, E. d. (2000). Six Thinking Hats: The multi-million bestselling guide to running better meetings and making faster decisions. Penguin Life.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bono, Edward de. Six Thinking Hats: The Multi-million Bestselling Guide to Running Better Meetings and Making Faster Decisions. UK: Penguin Life, 2000.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bono, Edward de. Six Thinking Hats: The Multi-million Bestselling Guide to Running Better Meetings and Making Faster Decisions. Penguin Life, 2000.