Existential Epistemology: A Heideggerian Critique of the Cartesian Project. : Oxford University Press, 1991-03-14. Oxford Scholarship Online. 2003-11-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/019823922X.001.0001/acprof-9780198239222>.
(1991-03-14). Existential Epistemology: A Heideggerian Critique of the Cartesian Project. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/019823922X.001.0001/acprof-9780198239222.
Existential Epistemology: A Heideggerian Critique of the Cartesian Project. : Oxford University Press, 1991-03-14. http://www.oxfordscholarship.com/view/10.1093/019823922X.001.0001/acprof-9780198239222.
Richardson J. Existential Epistemology: A Heideggerian Critique of the Cartesian Project. Oxford University Press; 1991. http://www.oxfordscholarship.com/view/10.1093/019823922X.001.0001/acprof-9780198239222. Accessed May 22, 2013.