Bibliography
* George Lakoff (1987) ''Cognitive models and prototype theory'', published at pp. 63–100 in Ulric Neisser (Ed.) ''Concepts and Conceptual Development: Ecological and Intellectual Factors in Categorization'' New York, Cambridge University Press. * Croft, William and Cruse, D. Alan (2004) ''Cognitive Linguistics'', Cambridge: Cambridge University Press. pp. 28– 32References