APA

Ashlund S., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques & ACM Special Interest Group on Supporting Group Work. (1993). INTERACT '93 and CHI '93 Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

Chicago

Ashlund Stacey, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. 1993. INTERACT '93 and CHI '93 Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

Harvard

Ashlund S., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. (1993). INTERACT '93 and CHI '93 Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

MLA

Ashlund Stacey, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Supporting Group Work. INTERACT '93 and CHI '93 Conference Companion on Human Factors in Computing Systems. New York, NY: ACM. 1993.