SHARPE, P. J. (1986). Barron's How To Prepare For The Toefl Test Of English As A Foreign Language / Goo. Barron's educational series.
Chicago-referens (17:e uppl.)SHARPE, Pamela J. Barron's How To Prepare For The Toefl Test Of English As A Foreign Language / Goo. Barron's educational series, 1986.
MLA-referens (8:e uppl.)SHARPE, Pamela J. Barron's How To Prepare For The Toefl Test Of English As A Foreign Language / Goo. Barron's educational series, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.