Michalko, M. (2006). Thinkertoys: A handbook of creative-thinking techniques (2nd. ed.). Berkeley, Calif: Ten Speed Press.
Παραπομπή Chicago StyleMichalko, Michael. Thinkertoys: A Handbook of Creative-thinking Techniques. 2nd. ed. Berkeley, Calif: Ten Speed Press, 2006.
MLA citiranjeMichalko, Michael. Thinkertoys: A Handbook of Creative-thinking Techniques. 2nd. ed. Berkeley, Calif: Ten Speed Press, 2006.
Opozorilo: Ti citati niso vedno 100% točni.