Streeck, Wolfgang. "Intermediary Organization: Declining Membership, Rising Tensions." Re-Forming Capitalism: Institutional Change in the German Political Economy. : Oxford University Press, 2010-03-04. Oxford Scholarship Online. 2011-10-03. Date Accessed 20 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199573981.001.0001/acprof-9780199573981-chapter-4>.
Streeck, W.(2010-03-04). Intermediary Organization: Declining Membership, Rising Tensions. In Re-Forming Capitalism: Institutional Change in the German Political Economy. : Oxford University Press. Retrieved 20 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199573981.001.0001/acprof-9780199573981-chapter-4.
Streeck, Wolfgang. "Intermediary Organization: Declining Membership, Rising Tensions." In Re-Forming Capitalism: Institutional Change in the German Political Economy. : Oxford University Press, 2010-03-04. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199573981.001.0001/acprof-9780199573981-chapter-4.
Streeck W. Intermediary Organization: Declining Membership, Rising Tensions. In: Streeck W. Re-Forming Capitalism: Institutional Change in the German Political Economy. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199573981.001.0001/acprof-9780199573981-chapter-4. Accessed June 20, 2013.