Style de citation APA

Elaine Walker. (1998). Grammar practice for upper intermediate students. Harlow, Eng: Pearson.

Style de citation Chicago

Elaine Walker. Grammar Practice for Upper Intermediate Students. Harlow, Eng: Pearson, 1998.

Style de citation MLA

Elaine Walker. Grammar Practice for Upper Intermediate Students. Harlow, Eng: Pearson, 1998.

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