APA-referens (7:e uppl.)
International Perimetric Society. Meeting, ebrary, Inc, Wall, M., & Wild, J. M. (1999). Perimetry update 1998/1999: Proceedings of the XIIIIth International Perimetric Society Meeting, Gardone Riviera (BS), Italy, September 6-9, 1998. Kugler Publications.
Chicago-referens (17:e uppl.)
International Perimetric Society. Meeting, Inc ebrary, Michael Wall, och John M. Wild. Perimetry Update 1998/1999: Proceedings of the XIIIIth International Perimetric Society Meeting, Gardone Riviera (BS), Italy, September 6-9, 1998. The Hauge: Kugler Publications, 1999.
MLA-referens (9:e uppl.)
International Perimetric Society. Meeting, et al. Perimetry Update 1998/1999: Proceedings of the XIIIIth International Perimetric Society Meeting, Gardone Riviera (BS), Italy, September 6-9, 1998. Kugler Publications, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.