Style de citation APA

Murphy, R. (1990). Essential Grammar in Use: H( with answer). Cambridge: Cambridge University.

Style de citation Chicago

Murphy, Raymond. Essential Grammar in Use: H( With Answer). Cambridge: Cambridge University, 1990.

Style de citation MLA

Murphy, Raymond. Essential Grammar in Use: H( With Answer). Cambridge: Cambridge University, 1990.

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