APA-viite (7. p.)
Fendel, D. M. (1987). Understanding the structure of elementary school mathematics. Allyn and Bacon.
Chicago-viite (17. p.)
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Boston: Allyn and Bacon, 1987.
MLA-viite (9. p.)
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Allyn and Bacon, 1987.
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