Gaya APA
ugroho, Bunafit. (1997).
Easy way to english .
Jakarta:
.
Gaya Chicago
ugroho, Bunafit.
Easy way to english.
Jakarta:
,
1997.
.
Gaya MLA
ugroho, Bunafit.
Easy way to english.
Jakarta:
,
1997.
.
Gaya Turabian
ugroho, Bunafit.
Easy way to english.
Jakarta:
,
1997.
.