Tohutoro APA (7th ed.)

Galván Anaya, F. (1967). National council of teachers of mathematics. Trillas.

Tohutoru Kātū Chicago

Galván Anaya, Federico. National Council of Teachers of Mathematics. Trillas, 1967.

Tohutoro MLA

Galván Anaya, Federico. National Council of Teachers of Mathematics. Trillas, 1967.

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