Beuys, J. (2012). Joseph Beuys: Statements 1976-1986. Flash Art.
Lua i Stíl Chicago (17ú heag.)Beuys, Joseph. "Joseph Beuys: Statements 1976-1986." Flash Art 2012.
Lua MLA (8ú heag.)Beuys, Joseph. "Joseph Beuys: Statements 1976-1986." Flash Art, 2012.
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