Marshall, D. C., Odell, E., & Starbird, M. P. (2007). Number theory through inquiry. Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)Marshall, David C., E. Odell, agus Michael P. Starbird. Number Theory Through Inquiry. Washington, D.C.: Mathematical Association of America, 2007.
Lua MLA (9ú heag.)Marshall, David C., et al. Number Theory Through Inquiry. Mathematical Association of America, 2007.
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