APA Style
Cambridge Preliminary English Test 4. (2009).
United Kingdom:
Cambridge University Press.
Chicago Style
Cambridge Preliminary English Test 4.
cet. 9.
United Kingdom:
Cambridge University Press,
2009.
Buku SMA Athalia.
MLA Style
Cambridge Preliminary English Test 4.
cet. 9.
United Kingdom:
Cambridge University Press,
2009.
Buku SMA Athalia.
Turabian Style
Cambridge Preliminary English Test 4.
United Kingdom:
Cambridge University Press,
2009.
Buku SMA Athalia.