Donald, J. The immaterial city: Representation, imagination, and media technologies / James Donald. A companion to the city.(2000).
Lua i Stíl Chicago (17ú heag.)Donald, James. "The Immaterial City: Representation, Imagination, and Media Technologies / James Donald." A Companion to the City.(2000) .
Lua MLA (8ú heag.)Donald, James. "The Immaterial City: Representation, Imagination, and Media Technologies / James Donald." A Companion to the City.(2000), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.