Citazione Stile APA (7a Edizione)
Sharpe, P. J. (1986). BARRON'S How to prepare for the TOEFL test of english as a foreign language (5. Edition.). Barrons.
Citazione stile Chigago Style (17a edizione)
Sharpe, Pamela J. BARRON'S How to Prepare for the TOEFL Test of English as a Foreign Language. 5. Edition. New York: Barrons, 1986.
Citatione MLA (9a ed.)
Sharpe, Pamela J. BARRON'S How to Prepare for the TOEFL Test of English as a Foreign Language. 5. Edition. Barrons, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.