Sharpe, P. J. (2001). How to prepare for the toefl test (Tenth edition.). Barron's.
Chicago-čujuhus (17. p.)Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. New York: Barron's, 2001.
MLA-čujuhus (9. p.)Sharpe, Pamela J. How to Prepare for the Toefl Test. Tenth edition. Barron's, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.