APA-referens

Biber, D., & Gray, B. (2016). Grammatical complexity in a academic english: Linguistic change in writing. Cambridge University Press.

Chicago-stil citat

Biber, Douglas, och Bethany Gray. Grammatical Complexity in a Academic English: Linguistic Change in Writing. United Kingdom: Cambridge University Press, 2016.

MLA-referens

Biber, Douglas, och Bethany Gray. Grammatical Complexity in a Academic English: Linguistic Change in Writing. Cambridge University Press, 2016.