Wilhelm Lehmbruck, George Minne, Joseph Beuys

MLA

Brockhaus, Christophe, and Els Desmedt. Wilhelm Lehmbruck, George Minne, Joseph Beuys. Brussel: ASLK , 1991.

APA

Brockhaus, C., & Desmedt, E. (1991). Wilhelm Lehmbruck, George Minne, Joseph Beuys. Brussel: ASLK .

Chicago

Desmedt, Els trans., and Christophe Brockhaus ed. Wilhelm Lehmbruck, George Minne, Joseph Beuys. Brussel: ASLK, 1991.