Gaya APA
Cambridge certificate of proficiency in English 5 with answers. (2006).
New York:
Cambide University Press.
Gaya Chicago
Cambridge certificate of proficiency in English 5 with answers.
.
New York:
Cambide University Press,
2006.
.
Gaya MLA
Cambridge certificate of proficiency in English 5 with answers.
.
New York:
Cambide University Press,
2006.
.
Gaya Turabian
Cambridge certificate of proficiency in English 5 with answers.
New York:
Cambide University Press,
2006.
.