APA Alıntı

Spencer, P. L., & Brydegaard, M. (1961). Building mathematical concepts in the elementary school.

Chicago Stili Alıntı

Spencer, Peter Lineoln, ve Marguerite Brydegaard. Building Mathematical Concepts in the Elementary School. 1961.

MLA Alıntı

Spencer, Peter Lineoln, ve Marguerite Brydegaard. Building Mathematical Concepts in the Elementary School. 1961.

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