Gaya APA
Lougheed, L. (2010).
Writing for the TOEFL iBT 3rd Edition (3rd Edition).
Jakarta:
Jakarta.Binarupa Aksara.
Gaya MLA
Lougheed, Lin.
"Writing for the TOEFL iBT 3rd Edition".
3rd Edition
Jakarta:
Jakarta.Binarupa Aksara,
2010.
Koleksi Elektronik.