APA

Oppermann R., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction & ACM Special Interest Group on Mobility of Systems U. D. a. C. (2009). Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services. New York, NY: ACM.

Chicago

Oppermann Reinhard, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems Users Data and Computing. 2009. Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services. New York, NY: ACM.

Harvard

Oppermann R., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems U. D. a. C. (2009). Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services. New York, NY: ACM.

MLA

Oppermann Reinhard, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems Users Data and Computing. Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services. New York, NY: ACM. 2009.