International Wittgenstein Symposium Kirchberg am Wechsel, Austria, Österreichische Ludwig Wittgenstein Gesellschaft, ebrary, Inc, Jäger, C., & Löffler, W. (2012). Epistemology: Contexts, values, disagreement : proceedings of the 34th International Ludwig Wittgenstein symposium in Kirchberg, 2011. Ontos Verlag.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Wittgenstein Symposium Kirchberg am Wechsel, Austria, Österreichische Ludwig Wittgenstein Gesellschaft, Inc ebrary, Christoph Jäger, và Winfried Löffler. Epistemology: Contexts, Values, Disagreement : Proceedings of the 34th International Ludwig Wittgenstein Symposium in Kirchberg, 2011. Frankfurt: Ontos Verlag, 2012.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)International Wittgenstein Symposium Kirchberg am Wechsel, Austria, et al. Epistemology: Contexts, Values, Disagreement : Proceedings of the 34th International Ludwig Wittgenstein Symposium in Kirchberg, 2011. Ontos Verlag, 2012.