Gaya APA
Lougheed,Ed.D., L. (2020).
BARRON'S: The Trusted Name in Test Prep (IELTS Practice Exams) (Ed.4).
Amerika Serikat:
Kaplan North America.
Gaya MLA
Lougheed,Ed.D., Lin.
"BARRON'S: The Trusted Name in Test Prep (IELTS Practice Exams)".
Ed.4
Amerika Serikat:
Kaplan North America,
2020.
Text.