University of Cambridge & Murphy, R. (1985). English grammar in use: A self reference and practice book for intermediate students with answaers (2nd.). Cambridge University.
Παραπομπή σε μορφή Chicago (17η εκδ.)University of Cambridge και R. Murphy. English Grammar in Use: A Self Reference and Practice Book for Intermediate Students with Answaers. 2nd. Cambridge: Cambridge University, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)University of Cambridge και R. Murphy. English Grammar in Use: A Self Reference and Practice Book for Intermediate Students with Answaers. 2nd. Cambridge University, 1985.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.