APA-referens (7:e uppl.)

ebrary, Inc, Tietz, C., & Zimmermann, J. (2012). Bonhoeffer, religion and politics: 4th International Bonhoeffer Colloquium. Peter Lang.

Chicago-referens (17:e uppl.)

ebrary, Inc, Christiane Tietz, och Jens Zimmermann. Bonhoeffer, Religion and Politics: 4th International Bonhoeffer Colloquium. New York: Peter Lang, 2012.

MLA-referens (9:e uppl.)

ebrary, Inc, et al. Bonhoeffer, Religion and Politics: 4th International Bonhoeffer Colloquium. Peter Lang, 2012.