Style de citation APA

Crystal, D. (1997). English as a global language. Cambridge, England: Cambridge University Press.

Style de citation Chicago

Crystal, David. English As a Global Language. Cambridge, England: Cambridge University Press, 1997.

Style de citation MLA

Crystal, David. English As a Global Language. Cambridge, England: Cambridge University Press, 1997.

Attention : ces citations peuvent ne pas être correctes à 100%.