Style de citation APA

Walker, E., & Elsworth, S. (2000). Grammar practice for upper intermediate students. England: Longman.

Style de citation Chicago

Walker, Elaine., et Steve Elsworth. Grammar Practice for Upper Intermediate Students. England: Longman, 2000.

Style de citation MLA

Walker, Elaine., et Steve Elsworth. Grammar Practice for Upper Intermediate Students. England: Longman, 2000.

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