——.1995.Joint attention as social cognition.In C.Moore and P.J.Dunham,eds.,Joint attention:Its origins and role in development.Hillsdale,NJ:Lawrence Erlbaum,23-47.
——.1998.The new psychology of language:Cognitive and functional approaches to language structure,Vol.1.Mahwah,NJ:Lawrence Erlbaum.
——.1999.The cultural origins of human cognition.Cambridge,MA:Harvard University Press.
——.2003a.Constructing a language:A usage-based theory of language acquisition.Cambridge,MA:Harvard University Press.