Erika Hock : Shifters.

MLA

Kemper, Katharina. Erika Hock : Shifters. 600 ex. Duisburg: Lehmbruck Museum., 2011.

APA

Kemper, K. (2011). Erika Hock : Shifters. 600 ex. Duisburg: Lehmbruck Museum.

Chicago

Kemper, Katharina Erika Hock : Shifters. 600 ex. Duisburg: Lehmbruck Museum., 2011.