International Electrotechnical Commission. (1977). Vocabulaire electrotechnique international: Chap. 101: Mathematiques. Bureau Central de la Commission Electrotechnique Internationale.
Lua i Stíl Chicago (17ú heag.)International Electrotechnical Commission. Vocabulaire Electrotechnique International: Chap. 101: Mathematiques. Geneve: Bureau Central de la Commission Electrotechnique Internationale, 1977.
Lua MLA (8ú heag.)International Electrotechnical Commission. Vocabulaire Electrotechnique International: Chap. 101: Mathematiques. Bureau Central de la Commission Electrotechnique Internationale, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.