Friedrich, J., & Lippard, L. R. (2013). Jo Baer: [on the occasion of the exhibition ...] / Museum Ludwig Köln. Ed. by Julia Friedrich. With contributions by Lucy R. Lippard .. König.
Chicago-viite (17. p.)Friedrich, Julia, ja Lucy R. Lippard. Jo Baer: [on the Occasion of the Exhibition ...] / Museum Ludwig Köln. Ed. by Julia Friedrich. With Contributions by Lucy R. Lippard .. Köln: König, 2013.
MLA-viite (8. p.)Friedrich, Julia, ja Lucy R. Lippard. Jo Baer: [on the Occasion of the Exhibition ...] / Museum Ludwig Köln. Ed. by Julia Friedrich. With Contributions by Lucy R. Lippard .. König, 2013.
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