Medina, J. (2002). The unity of Wittgenstein's philosophy: Necessity, intelligibility, and normativity. State University of New York Press.

Medina, José. The Unity of Wittgenstein's Philosophy: Necessity, Intelligibility, and Normativity. Albany: State University of New York Press, 2002.

Medina, José. The Unity of Wittgenstein's Philosophy: Necessity, Intelligibility, and Normativity. State University of New York Press, 2002.