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Approaches to Intentionality. : Oxford University Press, 1997-12-04. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198752226.001.0001/acprof-9780198752226.
Lyons W. Approaches to Intentionality. Oxford University Press; 1997. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198752226.001.0001/acprof-9780198752226. Accessed May 24, 2013.