APA

Broll W., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM Special Interest Group on Computer Graphics and Interactive Techniques & ACM Special Interest Group on Supporting Group Work. (2002). Proceedings of the 4th international conference on Collaborative virtual environments. New York, NY: ACM.

Chicago

Broll Wolfgang, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. 2002. Proceedings of the 4th international conference on Collaborative virtual environments. New York, NY: ACM.

Harvard

Broll W., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. (2002). Proceedings of the 4th international conference on Collaborative virtual environments. New York, NY: ACM.

MLA

Broll Wolfgang, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. Proceedings of the 4th international conference on Collaborative virtual environments. New York, NY: ACM. 2002.