Herrlich, H., Herrlich, H., & Preuss, G. (1979). Categorical topology: Proceedings of the international conference, Berlin, August 27th to September 2nd, 1978. Springer-Verlag.
استشهاد بنمط شيكاغوHerrlich, Horst.ed, Horst Herrlich, و Gerhard Preuss. Categorical Topology: Proceedings of the International Conference, Berlin, August 27th to September 2nd, 1978. Berlin ; New York: Springer-Verlag, 1979.
MLA استشهادHerrlich, Horst.ed, et al. Categorical Topology: Proceedings of the International Conference, Berlin, August 27th to September 2nd, 1978. Springer-Verlag, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.