Dudeney, G., & Hockly, N. (2010). Learning English as a foreign language for dummies. John Wiley & Sons.
Citazione stile Chigago Style (17a edizione)Dudeney, Gavin, e Nick Hockly. Learning English as a Foreign Language for Dummies. Chichester: John Wiley & Sons, 2010.
Citatione MLA (9a ed.)Dudeney, Gavin, e Nick Hockly. Learning English as a Foreign Language for Dummies. John Wiley & Sons, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.