Freeman, J. B. (2005). Acceptable premises: An epistemic approach to an informal logic problem. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Freeman, James B. Acceptable Premises: An Epistemic Approach to an Informal Logic Problem. Cambridge, UK ; New York: Cambridge University Press, 2005.
Lua MLA (9ú heag.)Freeman, James B. Acceptable Premises: An Epistemic Approach to an Informal Logic Problem. Cambridge University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.