APA-referens (7:e uppl.)
ebrary, Inc, & Weller, M. W. (1988). Waterfowl in winter: Selected papers from symposium and workshop held in Galveston, Texas, 7-10 January 1985. University of Minnesota Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Milton Webster Weller. Waterfowl in Winter: Selected Papers from Symposium and Workshop Held in Galveston, Texas, 7-10 January 1985. Minneapolis: University of Minnesota Press, 1988.
MLA-referens (9:e uppl.)
ebrary, Inc, och Milton Webster Weller. Waterfowl in Winter: Selected Papers from Symposium and Workshop Held in Galveston, Texas, 7-10 January 1985. University of Minnesota Press, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.