Servet Koçyiğit : Wilhelm Lehmbruck-Stipendiat 1999-2000.

MLA

Brockhaus, Christoph, and Dominic van den Boogerd. Servet Koçyiğit : Wilhelm Lehmbruck-stipendiat 1999-2000. Duisburg: Wilhelm Lehmbruck-Museum, 2000.

APA

Brockhaus, C., & van den Boogerd, D. (2000). Servet Koçyiğit : Wilhelm Lehmbruck-Stipendiat 1999-2000. Duisburg: Wilhelm Lehmbruck-Museum.

Chicago

Brockhaus, Christoph, and Dominic van den Boogerd. Servet Koçyiğit: Wilhelm Lehmbruck-Stipendiat 1999-2000. Duisburg: Wilhelm Lehmbruck-Museum, 2000.