Vernant, D. Sign conceptions in logic from the 19th century to the present: Denis Vernant. [Semiotik, 2].(1998).
Cita Chicago (17th ed.)Vernant, Denis. "Sign Conceptions in Logic from the 19th Century to the Present: Denis Vernant." [Semiotik, 2].(1998) .
Cita MLA (8th ed.)Vernant, Denis. "Sign Conceptions in Logic from the 19th Century to the Present: Denis Vernant." [Semiotik, 2].(1998), .
Atenció: Aquestes cites poden no estar 100% correctes.