Gaya APA

Lougheed, L. (2014). Writing for the TOEFL iBT 5th Edition (5th Edition). New York: Barron’s Educational Series.

Gaya MLA

Lougheed, Lin. "Writing for the TOEFL iBT 5th Edition". 5th Edition New York: Barron’s Educational Series, 2014. Koleksi Elektronik.