Gaya APA
Toefl IBT = internet based test with 2 audio cds. (2007).
Jakarta:
Binarupa Aksara.
Gaya Chicago
Toefl IBT = internet based test with 2 audio cds.
-.
Jakarta:
Binarupa Aksara,
2007.
Text.
Gaya MLA
Toefl IBT = internet based test with 2 audio cds.
-.
Jakarta:
Binarupa Aksara,
2007.
Text.
Gaya Turabian
Toefl IBT = internet based test with 2 audio cds.
Jakarta:
Binarupa Aksara,
2007.
Print.