Carl and Martens, P. (1966). German Phonetics. Max Hueber Verlag.
Čikaški stil citiranjaCarl and Martens, Peter. German Phonetics. Munchen: Max Hueber Verlag, 1966.
MLA način citiranjaCarl and Martens, Peter. German Phonetics. Max Hueber Verlag, 1966.
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