Citace podle APA (7th ed.)

National Council of Teachers of Mathematics. (1926). Yearbook. National Council of Teachers of Mathematics.

Citace podle Chicago (17th ed.)

National Council of Teachers of Mathematics. Yearbook. [Place of publication not identified]: National Council of Teachers of Mathematics, 1926.

Citace podle MLA (9th ed.)

National Council of Teachers of Mathematics. Yearbook. National Council of Teachers of Mathematics, 1926.

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