Gaya APA
MURPHY, R. (2000).
Grammar in use intermediate / Raymond Murphy dan William R. Smalzer (Ed. 2).
:
Cambridge univ. press.
Gaya MLA
MURPHY, Raymond.
"Grammar in use intermediate / Raymond Murphy dan William R. Smalzer".
Ed. 2
:
Cambridge univ. press,
2000.
Referensi.