Tabarroni, A. Mental signs and the theory of representation in Ockham: Andrea Tabarroni. On the Medieval theory of signs.(1989).
Chicago-viite (17. p.)Tabarroni, Andrea. "Mental Signs and the Theory of Representation in Ockham: Andrea Tabarroni." On the Medieval Theory of Signs.(1989) .
MLA-viite (8. p.)Tabarroni, Andrea. "Mental Signs and the Theory of Representation in Ockham: Andrea Tabarroni." On the Medieval Theory of Signs.(1989), .
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