Y. Duan, A. Kattepur, H. Zhou, Y. Chang, M. Huang, und W. Du. 14th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD), Seite 675-682. (Juli 2013)
F. Radeke, und P. Forbrig. Proceedings of the 6th international conference on Task models and diagrams for user interface design, Seite 184--197. Berlin/Heidelberg, Springer-Verlag, (2007)
A. Neto, R. Fortes, und A. da Silva Filho. Proceedings of the 26th annual ACM international conference on Design of communication, Seite 277--278. New York, NY, USA, ACM, (2008)
E. Gamma, R. Helm, R. Johnson, und V. John. Addison-Wesley, Bonn, 1.~Auf\/l. Edition, (1996)Design Patterns, 1995, Deutsche Übersetzung von
Dirk Riehle.