Vernant, D. Sign conceptions in logic from the 19th century to the present: Denis Vernant. [Semiotik, 2].(1998).
Chicago-referens (17:e uppl.)Vernant, Denis. "Sign Conceptions in Logic from the 19th Century to the Present: Denis Vernant." [Semiotik, 2].(1998) .
MLA-referens (8:e uppl.)Vernant, Denis. "Sign Conceptions in Logic from the 19th Century to the Present: Denis Vernant." [Semiotik, 2].(1998), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.