Gaya APA
Cambridge preliminary English test 2 : with answers. (2003).
New York:
Camridge University.
Gaya Chicago
Cambridge preliminary English test 2 : with answers.
.
New York:
Camridge University,
2003.
.
Gaya MLA
Cambridge preliminary English test 2 : with answers.
.
New York:
Camridge University,
2003.
.
Gaya Turabian
Cambridge preliminary English test 2 : with answers.
New York:
Camridge University,
2003.
.