Zeitz, P. (2007). The art and craft of problem solving (2nd ed.). John Wiley.
Chicago (17e ed.) BronvermeldingZeitz, Paul. The Art and Craft of Problem Solving. 2nd ed. Hoboken, NJ: John Wiley, 2007.
MLA (8e ed.) BronvermeldingZeitz, Paul. The Art and Craft of Problem Solving. 2nd ed. John Wiley, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.