APA-viite

Okawa, R. A. (2009). Invincible thinking: There is no such thing as defeat.

Chicago-tyylinen lähdeviittaus

Okawa, Ryuho; Author. Invincible Thinking: There Is No Such Thing as Defeat. Mumbai, Jaico Publishing House, 2009.

MLA-viite

Okawa, Ryuho; Author. Invincible Thinking: There Is No Such Thing as Defeat. 2009.