(2013). Speak now: Communicate with confidence: Workbook 2. New York: Oxford University Press.
Stile di citazione ChicagoSpeak Now: Communicate With Confidence: Workbook 2. New York: Oxford University Press, 2013.
Citazione MLASpeak Now: Communicate With Confidence: Workbook 2. New York: Oxford University Press, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.