Dyfyniad APA

Hewings, M. (2013). Advanced grammar in use: A self-study reference and practice book for advanced learners of english (3rd ed.). Cambridge University.

Dyfyniad Arddull Chicago

Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English. 3rd ed. Cambridge: Cambridge University, 2013.

Dyfyniad MLA

Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English. 3rd ed. Cambridge University, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.