Okawa, R. (1990). The laws of the sun: The revelation of Buddha that enlightens the New Age. The Institute for Research in Human Happiness Press, Co., Ltd.
Chicagoスタイル(17版)引用形式Okawa, Ryuho. The Laws of the Sun: The Revelation of Buddha That Enlightens the New Age. Tokyo, Japan: The Institute for Research in Human Happiness Press, Co., Ltd, 1990.
MLA(9版)引用形式Okawa, Ryuho. The Laws of the Sun: The Revelation of Buddha That Enlightens the New Age. The Institute for Research in Human Happiness Press, Co., Ltd, 1990.
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