APA-referens (7:e uppl.)
ebrary, Inc, Litteljohn, B. M., & Beck, G. G. (2000). Voices for the watershed: Environmental issues in the Great Lakes-St. Lawrence drainage basin. McGill-Queen's University Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, Bruce M. Litteljohn, och Gregor Gilpin Beck. Voices for the Watershed: Environmental Issues in the Great Lakes-St. Lawrence Drainage Basin. Montreal: McGill-Queen's University Press, 2000.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Voices for the Watershed: Environmental Issues in the Great Lakes-St. Lawrence Drainage Basin. McGill-Queen's University Press, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.