Doppelstein, J., Probst, V., & Stockhaus, H. (1998). Ernst Barlach: Artist of the North / Jürgen Doppelstein, Volker Probst, Heike Stockhaus. Ernst Barlach Gesellschaft ; Ernst Barlach Stiftung.
Citazione stile Chigago Style (17a edizione)Doppelstein, Jürgen, Volker Probst, e Heike Stockhaus. Ernst Barlach: Artist of the North / Jürgen Doppelstein, Volker Probst, Heike Stockhaus. Hamburg ; Güstrow: Ernst Barlach Gesellschaft ; Ernst Barlach Stiftung, 1998.
Citatione MLA (8a ed.)Doppelstein, Jürgen, et al. Ernst Barlach: Artist of the North / Jürgen Doppelstein, Volker Probst, Heike Stockhaus. Ernst Barlach Gesellschaft ; Ernst Barlach Stiftung, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.