ebrary, Inc, Eco, U., & Marmo, C. (1989). On the medieval theory of signs. J. Benjamins.
Chicagoスタイル(17版)引用形式ebrary, Inc, Umberto Eco, , Costantino Marmo. On the Medieval Theory of Signs. Amsterdam ; Philadelphia: J. Benjamins, 1989.
MLA(9版)引用形式ebrary, Inc, et al. On the Medieval Theory of Signs. J. Benjamins, 1989.
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