Carl and Martens, P. (1962). Exercises in German Pronunciation. Max Hueber Verlag.
Dyfyniad Arddull ChicagoCarl and Martens, Peter. Exercises in German Pronunciation. Munchen: Max Hueber Verlag, 1962.
Dyfyniad MLACarl and Martens, Peter. Exercises in German Pronunciation. Max Hueber Verlag, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.