Cita APA (7th ed.)

Dudeney, G., & Hockly, N. (2010). Learning English as a foreign language for dummies. John Wiley & Sons.

Cita Chicago (17th ed.)

Dudeney, Gavin, i Nick Hockly. Learning English as a Foreign Language for Dummies. Chichester: John Wiley & Sons, 2010.

Cita MLA (9th ed.)

Dudeney, Gavin, i Nick Hockly. Learning English as a Foreign Language for Dummies. John Wiley & Sons, 2010.