Suggested Reference Materials - Grammar & Vocabulary

Michael Vince and Kevin McNicholas, ELEMENTARY LANGUAGE PRACTICE (with key), Macmillan [in English, elementary]

Michael Vince, INTERMEDIATE LANGUAGE PRACTICE (with key), Macmillan [in English, pre-intermediate to intermediate]

Michael Vince, Lelio Pallini, ENGLISH GRAMMAR PRACTICE FOR ITALIAN STUDENTS (with key), Macmillan [in Italian, elementary to intermediate]

Raymond Murphy, ESSENTIAL GRAMMAR IN USE, Cambridge [in English, elementary to pre-intermediate]

Raymond Murphy, ENGLISH GRAMMAR IN USE, Cambridge [in English, intermediate to upper intermediate]