Collett, P. Problems and procedures in the study of gestures: Peter Collett. The semantics and pragmatics of everyday gestures : proceedings of the Berlin conference April 1998.(2004).

Collett, Peter. "Problems and Procedures in the Study of Gestures: Peter Collett." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004) .

Collett, Peter. "Problems and Procedures in the Study of Gestures: Peter Collett." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004), .