Pollock, J. L. (1987). Contemporary theories of knowledge. Hutchinson.
Cita Chicago (17th ed.)Pollock, John L. Contemporary Theories of Knowledge. London: Hutchinson, 1987.
Cita MLA (9th ed.)Pollock, John L. Contemporary Theories of Knowledge. Hutchinson, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.