Euripides & Meagher, R. E. (1986). Helen. University of Massachusetts Press.
Lua i Stíl Chicago (17ú heag.)Euripides agus Robert E. Meagher. Helen. Amherst, Mass: University of Massachusetts Press, 1986.
Lua MLA (9ú heag.)Euripides agus Robert E. Meagher. Helen. University of Massachusetts Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.