Gaya APA
MURPHY,RAYMOND, . (1997).
ESSENTIAL GRAMMAR IN USE WITH ANWERS
SECCOND EDITION (Cet. 1).
United Kingdom:
CAMBRIDGE UNIVERCITY PRESS.
Gaya MLA
MURPHY,RAYMOND, .
"ESSENTIAL GRAMMAR IN USE WITH ANWERS
SECCOND EDITION".
Cet. 1
United Kingdom:
CAMBRIDGE UNIVERCITY PRESS,
1997.
Text.