Murphy, R. (1993). Essential grammar in use: A reference and practice book for intermediate students. Cambridge: Cambridge University.
Chicago-стиль цитированияMurphy, Raymond. Essential Grammar in Use: A Reference and Practice Book for Intermediate Students. Cambridge: Cambridge University, 1993.
MLA-цитированиеMurphy, Raymond. Essential Grammar in Use: A Reference and Practice Book for Intermediate Students. Cambridge: Cambridge University, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.