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Lua i Stíl Chicago (17ú heag.)Ricci Bitti, Pio Enrico, agus 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) .
Lua MLA (8ú heag.)Ricci Bitti, Pio Enrico, agus 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), .