Krishnamurti, J. (Jiddu), 1895-1986
Bebas dari yang dikenal
Yayasan Krisnamurti Indonesia, 2008
 Buku Teks
Osborn, Alex
Wake up your mind 101 ways to develop creativess / Alex Osborn.
Charles Scribner`s Sons, 1952
 Buku Teks
Russell, Bertrand, 1872-1970
The analysis of mind
George Allen and Unwin, 1956
 Buku Teks
Bury, J.B.
Sejarah kemerdekaan berfikir / J. B. Bury.
Yajasan Pembangunan, 1951
 Buku Teks
Neisser, Ulric
Cognition and reality : principles and implications of cognitive psychology / Ulrich Neisser.
W.H. Freeman and Company, 1976
 Buku Teks