Gaya APA
Loo, L., Quah, J.
(1993).
Preston Asessment Paper English 4 With Answerws
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Loo, Linda., Quah, Josephine.
"Preston Asessment Paper English 4 With Answerws".
Jakarta:
Binarupa Aksara,
1993.
Book.