Lua APA (7ú heag.)

Orton, A., & Wain, G. (1994). Issues in teaching mathematics. Cassell.

Lua i Stíl Chicago (17ú heag.)

Orton, Anthony, agus Geoffrey Wain. Issues in Teaching Mathematics. London: Cassell, 1994.

Lua MLA (9ú heag.)

Orton, Anthony, agus Geoffrey Wain. Issues in Teaching Mathematics. Cassell, 1994.

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