Gaya APA
Dudeney, G., Hockly, N. (2010).
Learning English as Foreign Languange for Dummies .
West Sussex:
John Wiley & Sons.
Gaya MLA
Dudeney, Gavin., Hockly, Nicky.
"Learning English as Foreign Languange for Dummies".
West Sussex:
John Wiley & Sons,
2010.
Elektronik/Digital.