APA Alıntı

Lappan, G. (2011). Rich and engaging mathematical tasks: Grades 5-9. Reston, VA: National Council of Teachers of Mathematics.

Chicago Stili Alıntı

Lappan, Glenda. Rich and Engaging Mathematical Tasks: Grades 5-9. Reston, VA: National Council of Teachers of Mathematics, 2011.

MLA Alıntı

Lappan, Glenda. Rich and Engaging Mathematical Tasks: Grades 5-9. Reston, VA: National Council of Teachers of Mathematics, 2011.

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