Ricci Bitti, P. E., & Contento, S. Symbolic gestures and gesturing in communication: Pio Enrico Ricci Bitti. Silvana Contento. The semantics and pragmatics of everyday gestures : proceedings of the Berlin conference April 1998.(2004).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ricci Bitti, Pio Enrico, و Silvana Contento. "Symbolic Gestures and Gesturing in Communication: Pio Enrico Ricci Bitti. Silvana Contento." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ricci Bitti, Pio Enrico, و Silvana Contento. "Symbolic Gestures and Gesturing in Communication: Pio Enrico Ricci Bitti. Silvana Contento." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004), .