Taylor, P. J., & Barbeau, E. J. (2009). Challenging Mathematics In and Beyond the Classroom: The 16th ICMI Study. Springer US. https://doi.org/10.1007/978-0-387-09603-2
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTaylor, Peter J., और Edward J. Barbeau. Challenging Mathematics In and Beyond the Classroom: The 16th ICMI Study. Boston, MA: Springer US, 2009. https://doi.org/10.1007/978-0-387-09603-2.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTaylor, Peter J., और Edward J. Barbeau. Challenging Mathematics In and Beyond the Classroom: The 16th ICMI Study. Springer US, 2009. https://doi.org/10.1007/978-0-387-09603-2.
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