Gaya APA
Sharpe, P, J.
(2007).
Toefl iBT (Internet Based Test)
.
Ciputat:
Binarupa aksara.
Gaya MLA
Sharpe, Pamela, J..
"Toefl iBT (Internet Based Test)".
Ciputat:
Binarupa aksara,
2007.
Text.