Παραπομπή APA

Sharpe, P. J. (2001). How to prepare for the TOEFL: Test of english as a foreign language (10th ed.). New York: Barron's.

Παραπομπή Chicago Style

Sharpe, Pamela J. How to Prepare for the TOEFL: Test of English As a Foreign Language. 10th ed. New York: Barron's, 2001.

Παραπομπή MLA

Sharpe, Pamela J. How to Prepare for the TOEFL: Test of English As a Foreign Language. 10th ed. New York: Barron's, 2001.

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