Παραπομπή APA

Copeland, R. W. (1976). Mathematics and the elementary teacher (3rd ed.). Philadelphia: W.B.Saunders Company.

Παραπομπή Chicago Style

Copeland, Richard W. Mathematics and the Elementary Teacher. 3rd ed. Philadelphia: W.B.Saunders Company, 1976.

Παραπομπή MLA

Copeland, Richard W. Mathematics and the Elementary Teacher. 3rd ed. Philadelphia: W.B.Saunders Company, 1976.

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