Citazione Stile APA (7a Edizione)

- & TUMA, D. [. (1980). Problem solving and education: Issues in teaching andresearch. John Wiley and Sons.

Citazione stile Chigago Style (17a edizione)

- e D.T. [ed.] TUMA. Problem Solving and Education: Issues in Teaching Andresearch. New York: John Wiley and Sons, 1980.

Citatione MLA (9a ed.)

- e D.T. [ed.] TUMA. Problem Solving and Education: Issues in Teaching Andresearch. John Wiley and Sons, 1980.