Gaya APA

Wittke, V., Hanekop, H. (2011). New forms of collaborative innovation and production on the Internet:an interdisciplinary perspective . Gottingen, Germany: universitätsverlag göttingen.

Gaya MLA

Wittke, Volker.., Hanekop, Heidemarie.. "New forms of collaborative innovation and production on the Internet:an interdisciplinary perspective". Gottingen, Germany: universitätsverlag göttingen, 2011. Electronic Resource.