Levi, I. (1991). The Fixation of belief and its undoing: Changing beliefs through inquiry. C.U. Pr..
Cita Chicago (17th ed.)Levi, Isaac. The Fixation of Belief and Its Undoing: Changing Beliefs Through Inquiry. Cambridge: C.U. Pr., 1991.
Cita MLA (9th ed.)Levi, Isaac. The Fixation of Belief and Its Undoing: Changing Beliefs Through Inquiry. C.U. Pr., 1991.
Atenció: Aquestes cites poden no estar 100% correctes.