O?kawa, R. 1. (2004). The laws of happiness: The four principles for a successful life. Lantern Books.
Chicago Style (17th ed.) CitationO?kawa, Ryu?ho? 1956-10. The Laws of Happiness: The Four Principles for a Successful Life. New York, N.Y: Lantern Books, 2004.
MLA (9th ed.) CitationO?kawa, Ryu?ho? 1956-10. The Laws of Happiness: The Four Principles for a Successful Life. Lantern Books, 2004.
Warning: These citations may not always be 100% accurate.