Gaya APA
Betis, A., Mamas, L.
(2012).
Succeed In The Toeic Test : Volume 2
(
edisi 2)
.
Jakarta:
Erlangga.
Gaya MLA
Betis, Andrew., Mamas, Lawrence.
"Succeed In The Toeic Test : Volume 2".
edisi 2
Jakarta:
Erlangga,
2012.
Text.