International Conference Big Stuff '07. (…) Bochum & Hattingen, 9-9 -14-9-2007.

MLA

International Conference Big Stuff '07. (…) Bochum & Hattingen, 9-9 -14-9-2007. Bochum: Deutsches Bergbau-Museum, 2007.

APA

(2007). International Conference Big Stuff '07. (…) Bochum & Hattingen, 9-9 -14-9-2007. Bochum: Deutsches Bergbau-Museum.

Chicago

International Conference Big Stuff '07. (…) Bochum & Hattingen, 9-9 -14-9-2007. Bochum: Deutsches Bergbau-Museum, 2007.