Gaya APA
Quah, J.
(1993).
Secondary Grammar Practice 2
(
Ed. 2)
.
Jakata Barat:
Binarupa Aksara.
Gaya MLA
Quah, Joshephine.
"Secondary Grammar Practice 2".
Ed. 2
Jakata Barat:
Binarupa Aksara,
1993.
Text.