Holroyd, M. (1991). Bernhard Shaw: Michael Holroyd. Random House.
Lua i Stíl Chicago (17ú heag.)Holroyd, Michael. Bernhard Shaw: Michael Holroyd. New York: Random House, 1991.
Lua MLA (8ú heag.)Holroyd, Michael. Bernhard Shaw: Michael Holroyd. Random House, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.