Gaya APA

Sharpe,Pamela, . (2007). Barrons TOEFL iBT Internet-Based Test With 10 Audio CDs 12TH EDITION (Pertama). Grogol: Binarupa Aksara.

Gaya MLA

Sharpe,Pamela, . "Barrons TOEFL iBT Internet-Based Test With 10 Audio CDs 12TH EDITION". Pertama Grogol: Binarupa Aksara, 2007. Text.