एपीए उद्धरण

Hewings, M., & Martin Hewings. Advanced grammar in use: A self-study reference and practice book for advanced learners of English with answers. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Hewings, Martin, और Martin Hewings. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English With Answers. Cambridge University Press.

एमएलए उद्धरण

Hewings, Martin, और Martin Hewings. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English With Answers. Cambridge University Press.