Petőfi, J. S. (1978). Logic and the formal theory of natural language. Papiere zur Textlinguistik 10.
Dyfyniad Arddull ChicagoPetőfi, János Sándor. "Logic and the Formal Theory of Natural Language." Papiere Zur Textlinguistik 10 1978.
Dyfyniad MLAPetőfi, János Sándor. "Logic and the Formal Theory of Natural Language." Papiere Zur Textlinguistik 10 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.