Gaya APA

SHARPE, P, J. (2007). PRACTICE EXERCISES FOR THE TOEFL + CD 1-6 (6 th). Ohio: BARRON'S.

Gaya MLA

SHARPE, Pamela, J.. "PRACTICE EXERCISES FOR THE TOEFL + CD 1-6". 6 th Ohio: BARRON'S, 2007. Text.