Παραπομπή APA

Krantz, S. G. (1997). Techniques of problem solving. Unversities Press (India) Ltd.

Παραπομπή Chicago Style

Krantz, Steven G. Techniques of Problem Solving. Hyderabad: Unversities Press (India) Ltd, 1997.

Παραπομπή MLA

Krantz, Steven G. Techniques of Problem Solving. Unversities Press (India) Ltd, 1997.