Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.