Gaya APA
Toefl IBT: Internet-Based- Test. (2006).
New York:
Barron\'s.
Gaya Chicago
Toefl IBT: Internet-Based- Test.
12th Ed..
New York:
Barron\'s,
2006.
Text.
Gaya MLA
Toefl IBT: Internet-Based- Test.
12th Ed..
New York:
Barron\'s,
2006.
Text.
Gaya Turabian
Toefl IBT: Internet-Based- Test.
New York:
Barron\'s,
2006.
Print.