Barker, P. (1977). Arts in Society: A New Society Collection. Fontana/Collins.
Lua i Stíl Chicago (17ú heag.)Barker, Paul. Arts in Society: A New Society Collection. Fontana/Collins, 1977.
Lua MLA (8ú heag.)Barker, Paul. Arts in Society: A New Society Collection. Fontana/Collins, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.