APA-viite (7. p.)
Cohen, J. G. (2015). A field guide to the natural communities of Michigan. Michigan State University Press.
Chicago-viite (17. p.)
Cohen, Joshua G. A Field Guide to the Natural Communities of Michigan. East Lansing, Michigan: Michigan State University Press, 2015.
MLA-viite (9. p.)
Cohen, Joshua G. A Field Guide to the Natural Communities of Michigan. Michigan State University Press, 2015.
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