Sharpe, P. J. (1997). Barron's: Practice Exercises For The Toefl Test. Binarupa Aksara.
Lua i Stíl Chicago (17ú heag.)Sharpe, Pamela J. Barron's: Practice Exercises For The Toefl Test. Binarupa Aksara, 1997.
Lua MLA (9ú heag.)Sharpe, Pamela J. Barron's: Practice Exercises For The Toefl Test. Binarupa Aksara, 1997.
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