Freeman, J. B. (2005). Acceptable premises: An epistemic approach to an informal logic problem. Cambridge University Press.
Chicago-viite (17. p.)Freeman, James B. Acceptable Premises: An Epistemic Approach to an Informal Logic Problem. Cambridge, UK ; New York: Cambridge University Press, 2005.
MLA-viite (9. p.)Freeman, James B. Acceptable Premises: An Epistemic Approach to an Informal Logic Problem. Cambridge University Press, 2005.
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