Murphy,Raymond. English grammar in use: A self-study reference and practice book for intermediate students of English (4th.). Cambridge.
Цитирование в стиле Чикаго (17-е изд.)Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. 2016: Cambridge.
Цитирование MLA (9-е изд.)Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. Cambridge.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.