Gaya APA

Lougheed, L. (2014). Barron's: Writing for the TOEFL IBT (5th.Ed). New York: Barron's Educational Series, Inc.

Gaya MLA

Lougheed, Lin. "Barron's: Writing for the TOEFL IBT". 5th.Ed New York: Barron's Educational Series, Inc, 2014. Text.