ebrary, Inc, & Wouters, C. E. (2010). Protecting the Great Lakes from invasive and nonindigenous species. Nova Science Publishers, Inc..

ebrary, Inc, and Clara E. Wouters. Protecting the Great Lakes from Invasive and Nonindigenous Species. New York: Nova Science Publishers, Inc., 2010.

ebrary, Inc, and Clara E. Wouters. Protecting the Great Lakes from Invasive and Nonindigenous Species. Nova Science Publishers, Inc., 2010.