APA استشهاد

Carl and Martens, P. (1966). German Phonetics. Max Hueber Verlag.

استشهاد بنمط شيكاغو

Carl and Martens, Peter. German Phonetics. Munchen: Max Hueber Verlag, 1966.

MLA استشهاد

Carl and Martens, Peter. German Phonetics. Max Hueber Verlag, 1966.