Robbins, W. G. (2004). Landscapes of conflict: The Oregon story, 1940-2000. University of Washington Press.
Chicago-viite (17. p.)Robbins, William G. Landscapes of Conflict: The Oregon Story, 1940-2000. Seattle: University of Washington Press, 2004.
MLA-viite (9. p.)Robbins, William G. Landscapes of Conflict: The Oregon Story, 1940-2000. University of Washington Press, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.