Greenes, C. E. (1972). Problem solving in the mathematics laboratory: How to do it. Prindle, Weber and Schmidt, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreenes, Carole E. Problem Solving in the Mathematics Laboratory: How to Do It. Boston, Massachusetts: Prindle, Weber and Schmidt, Inc, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGreenes, Carole E. Problem Solving in the Mathematics Laboratory: How to Do It. Prindle, Weber and Schmidt, Inc, 1972.
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