APA-referens (7:e uppl.)

Aitchison, J. (2001). Language change: Progress or decay? (3rd ed.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Aitchison, Jean. Language Change: Progress or Decay? 3rd ed. Cambridge [England] ; New York: Cambridge University Press, 2001.

MLA-referens (8:e uppl.)

Aitchison, Jean. Language Change: Progress or Decay? 3rd ed. Cambridge University Press, 2001.