SpringerLink (Online service), Pipek, V., Rosson, M. B., Ruyter, B. d., & Wulf, V. (2009). End-User Development: 2nd International Symposium, IS-EUD 2009, Siegen, Germany, March 2-4, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Volkmar Pipek, Mary Beth Rosson, Boris de Ruyter, και Volker Wulf. End-User Development: 2nd International Symposium, IS-EUD 2009, Siegen, Germany, March 2-4, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. End-User Development: 2nd International Symposium, IS-EUD 2009, Siegen, Germany, March 2-4, 2009. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2009.
