Great Lakes Information Network. (2005). T.E.A.C.H. Great Lakes. Ann Arbor, MI: Great Lakesn Commission. Retrieved September 20, 2005, from http://www.great-lakes.net/teach/

Great Lakes Panel on Aquatic Nuisance Species. (2004). Great Lakes Aquatic Nuisance Species. Ann Arbor, MI: Great Lakes Commission. Retrieved September 20, 2005, from http://www.glc.org/ans/

Great Lakes St. Lawrence Seaway System: Competitiveness. (n.d.). Washington, DC: St. Lawrence Seaway Development Corporation and Quebec: St. Lawrence Seaway Management Corporation. Retrieved July 12, 2018, from http://www.greatlakes-seaway.com/en/index.html

Mills, E. et al. (1993). “Exotic Species in the Great Lakes: A History of Biotic Crises and Anthropogenic Introductions.” Journal of Great Lakes Research 19(1): 1-54.

Pimentel, D., et al. Environmental and Economic Costs Associated with Non-indigenous Species in the United States. Ithaca, NY: College of Agriculture and Life Sciences, Cornell University. Retrieved July 12, 2018, from http://hear.org/articles/pdfs/pimentaletal990612.pdf

U.S. Department of Agriculture. (n.d.). Animal and Plant Health Inspection Service’s Role in Fighting Invasive Species. Washington, DC: U.S. Department of Agriculture, Animal and Plant Health Inspection Service. Retrieved July 12, 2018, from https://www.usda.gov/media/blog/tag/animal-and-plant-healthinspection-service

U.S. Fish and Wildlife Service. (2001). Wild Things 2001: Investigating Invasive Species. Shepherdstown, WV: U.S. Fish and Wildlife Service. Retrieved July 12, 2018, from https://www.fws.gov/invasives/pdfs/wildThingsManual-1v4.pdf