Gaya APA
Lougheed, L.
(2004).
Barron's : How to Prepare For The Toefl Essay 2nd Edition
(
Sastra Inggris)
.
Semarang:
.
Gaya MLA
Lougheed, Lin.
"Barron's : How to Prepare For The Toefl Essay 2nd Edition".
Sastra Inggris
Semarang:
,
2004.
.