Gaya APA

Lougheed, L. (2016). BARRONS, IELTS Practice Exams Third & Fourth Edition (THIRD & FOURTH EDITION). New York: BARRONS.

Gaya MLA

Lougheed, Lin. "BARRONS, IELTS Practice Exams Third & Fourth Edition". THIRD & FOURTH EDITION New York: BARRONS, 2016. Text.