Murphy, R. (2003). Essential English grammar: A self-study reference and practice book for elementary students of english (2nd ed.). Cambridge Univ. Pr.
Цитирование в стиле Чикаго (17-е изд.)Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English. 2nd ed. Cambridge: Cambridge Univ. Pr, 2003.
Цитирование MLA (9-е изд.)Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English. 2nd ed. Cambridge Univ. Pr, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.