APA (7e ed.) Bronvermelding

Murphy,Raymond. English grammar in use: A self-study reference and practice book for intermediate students of English (4th.). Cambridge.

Chicago (17e ed.) Bronvermelding

Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. 2016: Cambridge.

MLA (9e ed.) Bronvermelding

Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. Cambridge.