APA Style
THE OFFICIAL GUIDE TO THE NEW TOEFL IBT . (2007).
:
.
Chicago Style
THE OFFICIAL GUIDE TO THE NEW TOEFL IBT .
.
:
,
2007.
Text.
MLA Style
THE OFFICIAL GUIDE TO THE NEW TOEFL IBT .
.
:
,
2007.
Text.
Turabian Style
THE OFFICIAL GUIDE TO THE NEW TOEFL IBT .
:
,
2007.
Print.