Okawa, R. (1990). The laws of the sun: The revelation of Buddha that enlightens the new age. Institute for Research in Human Happiness.
Chicago-referens (17:e uppl.)Okawa, Ryuho. The Laws of the Sun: The Revelation of Buddha That Enlightens the New Age. Tokyo: Institute for Research in Human Happiness, 1990.
MLA-referens (9:e uppl.)Okawa, Ryuho. The Laws of the Sun: The Revelation of Buddha That Enlightens the New Age. Institute for Research in Human Happiness, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.