APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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