Bybee, J. L. (2002) Cognitive processes in grammaticalization. In M. Thomasello, editor, The New Psychology of Language,volume II . New Jersey: Lawrence Erlbaum Associates Inc..

Bybee, J. L. (2002) Cognitive processes in grammaticalization. In M. Thomasello, editor, The New Psychology of Language,volume II. New Jersey: Lawrence Erlbaum Associates Inc..

2008	-	Reanalysis vs Metaphor: What Grammaticalisation CAN Tell Us about Language Evolution - Hoefler,Smith	::	1
		Bybee, J. L. (2003). Cognitive processes in grammaticalization. In M. Tomasello (Ed.), The new psychology of language: Cognitive and functional approaches to language structure (Vol. 2). Erlbaum.