Girard, R. (1991). A theater of envy: William Shakespeare. St. Augustine's Press.
Lua i Stíl Chicago (17ú heag.)Girard, René. A Theater of Envy: William Shakespeare. South Bend, Ind.: St. Augustine's Press, 1991.
Lua MLA (8ú heag.)Girard, René. A Theater of Envy: William Shakespeare. St. Augustine's Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.