Gaya APA

L., B, ,, A, B, , ;, N, T. (2007). Mathematics for elementary teachers : a conceptual approach, 7th ed. . New York: McGraw-Hill.

Gaya MLA

L., Bennett, ,, Albert, B., , ;, Nelson,, Ted. "Mathematics for elementary teachers : a conceptual approach, 7th ed.". New York: McGraw-Hill, 2007. Text.