Brayton, H. (1972). An illustrated dictionary of maths. Brodies Educational Resources.
Lua i Stíl Chicago (17ú heag.)Brayton, Howard. An Illustrated Dictionary of Maths. Bath, Eng.: Brodies Educational Resources, 1972.
Lua MLA (8ú heag.)Brayton, Howard. An Illustrated Dictionary of Maths. Brodies Educational Resources, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.