Ōkawa, R. (1990). The laws of gold: The wisdom of Buddha that inspires the new civilization. Institute for Research in Human Happiness.
芝加哥风格引文Ōkawa, Ryūhō. The Laws of Gold: The Wisdom of Buddha That Inspires the New Civilization. Japan: Institute for Research in Human Happiness, 1990.
MLA引文Ōkawa, Ryūhō. The Laws of Gold: The Wisdom of Buddha That Inspires the New Civilization. Institute for Research in Human Happiness, 1990.
警告：这些引文格式不一定是100％准确.