Greenes, C. E. (1972). Problem solving in the mathematics laboratory: How to do it. Prindle, Weber and Schmidt, Inc.
Παραπομπή σε μορφή Chicago (17η εκδ.)Greenes, Carole E. Problem Solving in the Mathematics Laboratory: How to Do It. Boston, Massachusetts: Prindle, Weber and Schmidt, Inc, 1972.
Παραπομπή σε μορφή MLA (9th εκδ.)Greenes, Carole E. Problem Solving in the Mathematics Laboratory: How to Do It. Prindle, Weber and Schmidt, Inc, 1972.
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