Wolff, B., & Barbey, M. (2017). Barbara Wolff - in eigener Sache: Collection Regard, Marc Barbey. Collection Regard.
Čikaški stil citiranja (17. izdanje)Wolff, Barbara, i Marc Barbey. Barbara Wolff - in Eigener Sache: Collection Regard, Marc Barbey. Berlin: Collection Regard, 2017.
MLA način citiranja (8. izdanje)Wolff, Barbara, i Marc Barbey. Barbara Wolff - in Eigener Sache: Collection Regard, Marc Barbey. Collection Regard, 2017.
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