Gaya APA

LOUGHEED, L., SERIES, P, B, E. (2016). BARRON'S IELTS PRACTICE EXAMS (TIDAK ADA). AMERICA: BARRON\'S EDUCATIONAL SERIES.

Gaya MLA

LOUGHEED, LIN., SERIES, PENERBIT, BARRON'S, EDUCATIONAL. "BARRON'S IELTS PRACTICE EXAMS". TIDAK ADA AMERICA: BARRON\'S EDUCATIONAL SERIES, 2016. Text.