IELTS

 To find out about the exam go to: http://www.ielts.org/

To see exam dates in Italy go to: http://www.britishcouncil.org/italy-exams-milan-ielts-esami-milano.htm

Cambridge Exams

To find out about Cambridge exams go to: http://www.cambridgeesol.org/exams/index.htm

Toefl

To find out about toefl go to: http://toeflpractice.ets.org/

Common European Framework of Reference

For more information on the Framework go to: http://www.coe.int/t/dg4/linguistic/source/framework_en.pdf    See in particular pages 22-29