Παραπομπή APA

Umberto Eco. (1984). Semiotics and the philosophy of language. Macmillan.

Παραπομπή Chicago Style

Umberto Eco. Semiotics and the Philosophy of Language. London: Macmillan, 1984.

Παραπομπή MLA

Umberto Eco. Semiotics and the Philosophy of Language. Macmillan, 1984.