APA-referens (7:e uppl.)

IEEE workshop on qualitative vision: Proceedings, June 14, 1993 New York, New York. IEEE computer Society Press, c1993.

Chicago-referens (17:e uppl.)

IEEE Workshop on Qualitative Vision: Proceedings, June 14, 1993 New York, New York. Los Alamitos: IEEE computer Society Press, c1993.

MLA-referens (9:e uppl.)

IEEE Workshop on Qualitative Vision: Proceedings, June 14, 1993 New York, New York. IEEE computer Society Press, c1993.