Gaya APA
Sharpe, P, J. (2007).
Pass Key to The Toeft IBT Internet Based Test with 2 Audio CDS sixth edition .
Jakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J.
"Pass Key to The Toeft IBT Internet Based Test with 2 Audio CDS sixth edition".
Jakarta:
Binarupa Aksara,
2007.
BUKU PENGAYAAN.