RYUHO OKAWA. (2009). 10 rules of wisdom: Principles for creation of an ideal world. Jaico Publishing House.
Chicago Edition CitationRYUHO OKAWA. 10 Rules of Wisdom: Principles for Creation of an Ideal World. Mumbai: Jaico Publishing House, 2009.
MLA Edition CitationRYUHO OKAWA. 10 Rules of Wisdom: Principles for Creation of an Ideal World. Jaico Publishing House, 2009.
Warning: These citations may not always be 100% accurate.