Briot, C. Lecons d´algébre.
Lua i Stíl Chicago (17ú heag.)Briot, Ch. Lecons D´algébre.
Lua MLA (8ú heag.)Briot, Ch. Lecons D´algébre.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)