Weinreich, U. (1979). Languages in contact: Findings and problems. Paris: Mouton de Gruyter.
Dyfyniad Arddull ChicagoWeinreich, Uriel. Languages in Contact: Findings and Problems. Paris: Mouton de Gruyter, 1979.
Dyfyniad MLAWeinreich, Uriel. Languages in Contact: Findings and Problems. Paris: Mouton de Gruyter, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.