Stefan, O. (2014). Sandra Boeschenstein at Marlene Frei, Zurich. Art in America.
Lua i Stíl Chicago (17ú heag.)Stefan, Olga. "Sandra Boeschenstein at Marlene Frei, Zurich." Art in America 2014.
Lua MLA (8ú heag.)Stefan, Olga. "Sandra Boeschenstein at Marlene Frei, Zurich." Art in America, 2014.
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