APA引文

Carl and Martens, P. (1962). Exercises in German Pronunciation. Max Hueber Verlag.

Chicago Edition Citation

Carl and Martens, Peter. Exercises in German Pronunciation. Munchen: Max Hueber Verlag, 1962.

MLA引文

Carl and Martens, Peter. Exercises in German Pronunciation. Max Hueber Verlag, 1962.

警告：這些引文格式不一定是100％准確.