Haskel, P., & Takuan Sōhō. (2013). Sword of Zen: Master Takuan and his writings on immovable wisdom and the sword Taie. University of Hawaiʻi Press.
Chicago-referens (17:e uppl.)Haskel, Peter, och Takuan Sōhō. Sword of Zen: Master Takuan and His Writings on Immovable Wisdom and the Sword Taie. Honolulu: University of Hawaiʻi Press, 2013.
MLA-referens (9:e uppl.)Haskel, Peter, och Takuan Sōhō. Sword of Zen: Master Takuan and His Writings on Immovable Wisdom and the Sword Taie. University of Hawaiʻi Press, 2013.
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