Jessen, M. (1998). Phonetics and phonology of tense and lax obstruents in German. John Benjamins Pub. Co..
Chicago Style (17. basım) AtıfJessen, Michael. Phonetics and Phonology of Tense and Lax Obstruents in German. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1998.
MLA (9th ed.) AtıfJessen, Michael. Phonetics and Phonology of Tense and Lax Obstruents in German. John Benjamins Pub. Co., 1998.
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