Swan, M., & Walter, C. How english works: A grammar practice book with answers.
Style de citation Chicago (17e éd.)Swan, Michael, et Catherine Walter. How English Works: A Grammar Practice Book with Answers.
Style de citation MLA (8e éd.)Swan, Michael, et Catherine Walter. How English Works: A Grammar Practice Book with Answers.
Attention : ces citations peuvent ne pas être correctes à 100%.