Duncan James S. & Ley, D. (1993). Place/culture/representation. Routledge.
Lua i Stíl Chicago (17ú heag.)Duncan James S. agus David Ley. Place/culture/representation. London: Routledge, 1993.
Lua MLA (9ú heag.)Duncan James S. agus David Ley. Place/culture/representation. Routledge, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.