Helal, S. (2009). Proceedings of the 11th international conference on Ubiquitous computing. Association for Computing Machinery.
Chicago-Zitierstil (17. Ausg.)Helal, Sumi. Proceedings of the 11th International Conference on Ubiquitous Computing. New York,NY,United States: Association for Computing Machinery, 2009.
MLA-Zitierstil (9. Ausg.)Helal, Sumi. Proceedings of the 11th International Conference on Ubiquitous Computing. Association for Computing Machinery, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.