APA-referens (7:e uppl.)

Zeitz, P. (2017). The art and craft of problem solving (Third edition.). John Wiley & Sons.

Chicago-referens (17:e uppl.)

Zeitz, Paul. The Art and Craft of Problem Solving. Third edition. Hoboken, NJ: John Wiley & Sons, 2017.

MLA-referens (8:e uppl.)

Zeitz, Paul. The Art and Craft of Problem Solving. Third edition. John Wiley & Sons, 2017.