Gaya APA
To The Toefl iBT (internet based test with 2 audio CDs ). (2007).
Jakarta:
Binarupa Aksara.
Gaya Chicago
To The Toefl iBT (internet based test with 2 audio CDs ).
Cet. 1.
Jakarta:
Binarupa Aksara,
2007.
.
Gaya MLA
To The Toefl iBT (internet based test with 2 audio CDs ).
Cet. 1.
Jakarta:
Binarupa Aksara,
2007.
.
Gaya Turabian
To The Toefl iBT (internet based test with 2 audio CDs ).
Jakarta:
Binarupa Aksara,
2007.
.