Gaya APA
Sharpe, P, J. (2007).
To The Toefl Ibt : Internet Based Test With 2 Audio Cds, Sixth Edition .
Jakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J..
"To The Toefl Ibt : Internet Based Test With 2 Audio Cds, Sixth Edition".
Jakarta:
Binarupa Aksara,
2007.
Text.