Russell, R. (1892). Ruler constructions in connection with cubic curves.
Lua i Stíl Chicago (17ú heag.)Russell, Robert. Ruler Constructions in Connection with Cubic Curves. 1892.
Lua MLA (9ú heag.)Russell, Robert. Ruler Constructions in Connection with Cubic Curves. 1892.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
