Gaya APA

Lougheed, L., Rohmatia,siska, . (2016). Barrons Ielts Practice Exams (3rd Edition). New York: Barrons Educational Series.

Gaya MLA

Lougheed, Lin., Rohmatia,siska, . "Barrons Ielts Practice Exams". 3rd Edition New York: Barrons Educational Series, 2016. Text.