Gaya APA
mahmud, M, S., hammam, M, P. (2008).
the infuence of language day program toward english achievement .
Salatiga:
STAIN Salatiga.
Gaya MLA
mahmud, Muh., Sadullah., hammam, M., Pd.
"the infuence of language day program toward english achievement".
Salatiga:
STAIN Salatiga,
2008.
Text.