APA Style
Cambridge English Key for Schools 2. (2013).
United Kingdom:
Cambridge University Press.
Chicago Style
Cambridge English Key for Schools 2.
.
United Kingdom:
Cambridge University Press,
2013.
Buku SMA Athalia.
MLA Style
Cambridge English Key for Schools 2.
.
United Kingdom:
Cambridge University Press,
2013.
Buku SMA Athalia.
Turabian Style
Cambridge English Key for Schools 2.
United Kingdom:
Cambridge University Press,
2013.
Buku SMA Athalia.