Cita APA (7th ed.)
Fendel, D. M. (1987). Understanding the structure of elementary school mathematics. Allyn and Bacon.
Cita Chicago (17th ed.)
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Boston: Allyn and Bacon, 1987.
Cita MLA (9th ed.)
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Allyn and Bacon, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.