Gaya APA
Sharpe, P, J. (2000).
Barron's How To Prepare For The Toefl : Test of english as a foreign language (9th edition).
Salatiga:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J..
"Barron's How To Prepare For The Toefl : Test of english as a foreign language".
9th edition
Salatiga:
Binarupa Aksara,
2000.
Text.