Dessart, D. J., & Suydam, M. N. (1983). Classroom ideas from research on secondary school mathematics. National Council of Teachers of Mathematics.
Chicago-viite (17. p.)Dessart, Donald J., ja Marilyn N. Suydam. Classroom Ideas from Research on Secondary School Mathematics. Reston, Va: National Council of Teachers of Mathematics, 1983.
MLA-viite (9. p.)Dessart, Donald J., ja Marilyn N. Suydam. Classroom Ideas from Research on Secondary School Mathematics. National Council of Teachers of Mathematics, 1983.
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