Gaya APA
Hornby, A, S.
(1995).
Oxford Advance Learner's
(
Ed.5)
.
New York:
Oxford Unversity Press.
Gaya MLA
Hornby, A, S.
"Oxford Advance Learner's".
Ed.5
New York:
Oxford Unversity Press,
1995.
BUKU TEKS.