Gaya APA
Betis, A., Mamas, L.
(2012).
Succeed In The Toeic Test : Volume 1
(
edisi 1)
.
Jakarta:
Erlangga.
Gaya MLA
Betis, Andrew., Mamas, Lawrence.
"Succeed In The Toeic Test : Volume 1".
edisi 1
Jakarta:
Erlangga,
2012.
Text.