Ondrácǩová, J. (1973). The physiological activity of the speech organs: An analysis of the speech-organs during the phonation of sung, spoken and whispered Czech vowels on the basis of x-ray methods. Mouton.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Ondrácǩová, Jana. The Physiological Activity of the Speech Organs: An Analysis of the Speech-organs During the Phonation of Sung, Spoken and Whispered Czech Vowels on the Basis of X-ray Methods. The Hague: Mouton, 1973.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Ondrácǩová, Jana. The Physiological Activity of the Speech Organs: An Analysis of the Speech-organs During the Phonation of Sung, Spoken and Whispered Czech Vowels on the Basis of X-ray Methods. Mouton, 1973.
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