Springer series in language and communication. Berlin [u.a.].
Dyfyniad Arddull ChicagoSpringer Series in Language and Communication. Berlin [u.a.].
Dyfyniad MLASpringer Series in Language and Communication. Berlin [u.a.].
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.