Benjamin, A. (1997). Sites of Tension: Serge Spitzer's work in the Kennedyplatz, Essen. Art & Design.
Lua i Stíl Chicago (17ú heag.)Benjamin, Andrew. "Sites of Tension: Serge Spitzer's Work in the Kennedyplatz, Essen." Art & Design 1997.
Lua MLA (8ú heag.)Benjamin, Andrew. "Sites of Tension: Serge Spitzer's Work in the Kennedyplatz, Essen." Art & Design, 1997.
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