Krishnamurti, Jiddu, 1895-1986
Pustaka Krishnamurti
Yayasan Idayu, 1982
 Buku Teks
Ikeda, Daisaku, 1928-
Discussions on youth
Eternal Ganges Press Private, 2010
 Buku Teks
Kahn, Herman
Things to come: thinking about the seventies and eighties / Herman Kahn and B. Bruce-Briggs
Macmillan, 1972
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R. Paryana Suryadipura
Alam pikiran/oleh R. Paryana Suryadipura
Jakarta Bumi Aksara 1993,
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Barrow, John D.
Impossibility : the limits of science and the science of limits
Oxford University Press , 1998
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