Horowitz, T., & Camp, J. L. (2006). The epistemology of a priori knowledge. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Horowitz, Tamara, agus Joseph L. Camp. The Epistemology of a Priori Knowledge. Oxford ; New York: Oxford University Press, 2006.
Lua MLA (9ú heag.)Horowitz, Tamara, agus Joseph L. Camp. The Epistemology of a Priori Knowledge. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.