Aitchison, J. (1991). Language change: Progress or decayn (2nd ed.). Cambridge University Press.
Chicago Style (17th ed.) CitationAitchison, Jean. Language Change: Progress or Decayn. 2nd ed. Cambridge, Eng: Cambridge University Press, 1991.
MLA (9th ed.) CitationAitchison, Jean. Language Change: Progress or Decayn. 2nd ed. Cambridge University Press, 1991.
Warning: These citations may not always be 100% accurate.