Beuys, J. Transformer: The original film / Joseph Beuys. Joseph Beuys: Transformer <DVD-Video>.(2006).
Lua i Stíl Chicago (17ú heag.)Beuys, Joseph. "Transformer: The Original Film / Joseph Beuys." Joseph Beuys: Transformer <DVD-Video>.(2006) .
Lua MLA (8ú heag.)Beuys, Joseph. "Transformer: The Original Film / Joseph Beuys." Joseph Beuys: Transformer <DVD-Video>.(2006), .
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