Murphy, R. (1992). Essential English grammar: A self- study reference and practice book for elementary students of English (Second edition.). Cambridge University Press ; Foundation Books.
Цитирование в стиле Чикаго (17-е изд.)Murphy, Raymond. Essential English Grammar: A Self- Study Reference and Practice Book for Elementary Students of English. Second edition. Cambridge : New Delhi: Cambridge University Press ; Foundation Books, 1992.
Цитирование MLA (8-е изд.)Murphy, Raymond. Essential English Grammar: A Self- Study Reference and Practice Book for Elementary Students of English. Second edition. Cambridge University Press ; Foundation Books, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.