Citazione Stile APA (7a Edizione)

Sharpe, P. J. (1994). Barron's How to Prepare for the TOEFL: Test of English as a Foreign Language (7th ed.). Barron's Educational Series.

Citazione stile Chigago Style (17a edizione)

Sharpe, Pamela J. Barron's How to Prepare for the TOEFL: Test of English as a Foreign Language. 7th ed. Hauppauge, NY: Barron's Educational Series, 1994.

Citatione MLA (9a ed.)

Sharpe, Pamela J. Barron's How to Prepare for the TOEFL: Test of English as a Foreign Language. 7th ed. Barron's Educational Series, 1994.