Ōkawa, R. (2003). An unshakable mind: How to overcome life?s difficulties. Lantern Books.
芝加哥风格引文Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. New York: Lantern Books, 2003.
MLA引文Ōkawa, Ryūhō. An Unshakable Mind: How to Overcome Life?s Difficulties. Lantern Books, 2003.
警告：这些引文格式不一定是100％准确.