Sharpe, P. J. (1999). How to prepare for the TOEFL test: Test of English as a foreign language (10th ed.). Barron's Educational.
Цитирование в стиле Чикаго (17-е изд.)Sharpe, Pamela J. How to Prepare for the TOEFL Test: Test of English as a Foreign Language. 10th ed. Hauppauge, NY: Barron's Educational, 1999.
Цитирование MLA (8-е изд.)Sharpe, Pamela J. How to Prepare for the TOEFL Test: Test of English as a Foreign Language. 10th ed. Barron's Educational, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.