Gaya APA

Lougheed, L. (2014). TOEIC Practice Exams : the most practice tests currently available (2nd Edition). United States of America: Barrons Educational Series.

Gaya MLA

Lougheed, Lin. "TOEIC Practice Exams : the most practice tests currently available". 2nd Edition United States of America: Barrons Educational Series, 2014. Text.