Aitchison, Jean, 1938-
Language change : progress or decay?
Cambridge University Press, 2013
 Buku Teks SO
Jones, Mari C.
Exploring language change
Routledge , 2006
 Buku Teks SO
Motives for language change / edited by Raymond Hickey
edited by Raymond Hickey
Cambridge University Press, 2004
 eBooks
Explaining language / edited by John A. Hawkins
Basil Blackwell, 1988
 Buku Teks SO
Language, usage and cognition / Joan Bybee
Cambridge University Press, 2010
 eBooks