Gaya APA
Ph.D., P, J, S. (2007).
Pass Key To The TOEFL iBT: Internet Based Test With 2 Audio CDs (Barrons) (6).
Jakarta:
Binarupa Aksara.
Gaya MLA
Ph.D., Pamela, J., Sharpe,.
"Pass Key To The TOEFL iBT: Internet Based Test With 2 Audio CDs (Barrons)".
6
Jakarta:
Binarupa Aksara,
2007.
Text.