ebrary, Inc, & Schanke, R. A. (2007). Angels in the American theater: Patrons, patronage, and philanthropy. Southern Illinois University Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Robert A. Schanke. Angels in the American Theater: Patrons, Patronage, and Philanthropy. Carbondale: Southern Illinois University Press, 2007.
Lua MLA (9ú heag.)ebrary, Inc, agus Robert A. Schanke. Angels in the American Theater: Patrons, Patronage, and Philanthropy. Southern Illinois University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.