APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.