Swan, Michael, Practical English Usage (3rd edition). Oxford: OUP, 2005.
Swan
Rispondi
Swan, Michael, Practical English Usage (3rd edition). Oxford: OUP, 2005.
Mark Foley & Diane Hall, My Grammar Lab, Pearson.
Murphy, Raymond, English Grammar in Use, Cambridge: CUP, 2012.
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/, University of Victoria
http://www.speech.cs.cmu.edu/cgi-bin/cmudict, dizionario di pronuncia
http://www.etymonline.com/abbr.php, etimological dictionary