Mellow, J. R. (1974). Charmed circle: Gertrude Stein & Company / James R. Mellow (2. print.). Praeger.
Lua i Stíl Chicago (17ú heag.)Mellow, James R. Charmed Circle: Gertrude Stein & Company / James R. Mellow. 2. print. New York [u.a.]: Praeger, 1974.
Lua MLA (8ú heag.)Mellow, James R. Charmed Circle: Gertrude Stein & Company / James R. Mellow. 2. print. Praeger, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.