Mayer, Richard E.
Thinking, problem solving, cognition
W.H. Freeman, 1983
 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
Chinese Thought and Institutions / John K. Fairbank (editor)
edited by John K. Fairbank
Phoenix Books, 1967
 Buku Teks