Gaya APA
PREPARATION COURSE FOR THE TOEFL. (2000).
:
UNIVERSITAS RIAU.
Gaya Chicago
PREPARATION COURSE FOR THE TOEFL.
.
:
UNIVERSITAS RIAU,
2000.
Non Fiksi.
Gaya MLA
PREPARATION COURSE FOR THE TOEFL.
.
:
UNIVERSITAS RIAU,
2000.
Non Fiksi.
Gaya Turabian
PREPARATION COURSE FOR THE TOEFL.
:
UNIVERSITAS RIAU,
2000.
Non Fiksi.