APA (7 ম সংস্করণ) উদ্ধৃতি

Ōkawa, R. (2003). An unshakable mind: How to overcome life?s difficulties. Lantern Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. New York: Lantern Books, 2003.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. Lantern Books, 2003.