Zeitz, P. (2007). The art and craft of problem solving (2nd ed.). John Wiley.
Chicago Style (17th ed.) CitationZeitz, Paul. The Art and Craft of Problem Solving. 2nd ed. Hoboken, NJ: John Wiley, 2007.
ציטוט MLAZeitz, Paul. The Art and Craft of Problem Solving. 2nd ed. John Wiley, 2007.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.