Neumann, R. The conventionalization of the Ring Gesture in German discourse: Ragnhild Neumann. The semantics and pragmatics of everyday gestures : proceedings of the Berlin conference April 1998.(2004).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Neumann, Ragnhild. "The Conventionalization of the Ring Gesture in German Discourse: Ragnhild Neumann." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Neumann, Ragnhild. "The Conventionalization of the Ring Gesture in German Discourse: Ragnhild Neumann." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004), .
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