Raymond Murphy with Roann Altman consultant, W. E. R. Grammar in use reference practice for intermediate students of English. Cambridge University Press.
Chicago Style (17th ed.) CitationRaymond Murphy with Roann Altman consultant, William E. Rutherford. Grammar in Use Reference Practice for Intermediate Students of English. Cambridge University Press.
MLA (8th ed.) CitationRaymond Murphy with Roann Altman consultant, William E. Rutherford. Grammar in Use Reference Practice for Intermediate Students of English. Cambridge University Press.
Warning: These citations may not always be 100% accurate.