Gaya APA
Lougheed, L.
(2005).
Longman Preparation Series For The Toeic
(
Edisi 3)
.
America:
Longman.
Gaya MLA
Lougheed, Lin.
"Longman Preparation Series For The Toeic".
Edisi 3
America:
Longman,
2005.
Text.