APA

Cheok A. D., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction & ACM Special Interest Group on Mobility of Systems U. D. a. C. (2007). Proceedings of the 9th international conference on Human computer interaction with mobile devices and services. New York, NY: ACM.

Chicago

Cheok Adrian David, 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. 2007. Proceedings of the 9th international conference on Human computer interaction with mobile devices and services. New York, NY: ACM.

Harvard

Cheok A. D., 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. (2007). Proceedings of the 9th international conference on Human computer interaction with mobile devices and services. New York, NY: ACM.

MLA

Cheok Adrian David, 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 9th international conference on Human computer interaction with mobile devices and services. New York, NY: ACM. 2007.