Okawa, R. A. (2009). 10 rules of wisdom: Principles for creation of an ideal world.
シカゴスタイル引用形Okawa, Ryuho; Author. 10 Rules of Wisdom: Principles for Creation of an Ideal World. Mumbai, Jaico Publishing House, 2009.
MLA引用形式Okawa, Ryuho; Author. 10 Rules of Wisdom: Principles for Creation of an Ideal World. 2009.
警告: この引用は必ずしも正確ではありません.