I.R. Poedjawijatna
Logika : filsafat berfikir
Bina Aksara, 1988
 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
Neisser, Ulric
Cognition and reality : principles and implications of cognitive psychology / Ulrich Neisser.
W.H. Freeman and Company, 1976
 Buku Teks
Complex problem solving : principles and mechanisms
edited by Robert J. Sternberg and Peter A. Frensch ; penerjemah, Togi Marolop Pradana Pangaribuan
Lawrence Erlbaum Associates, 1991
 Buku Teks