Gaya APA
S, E, I., Iswahyuni, .
(2009).
Interactive English: Junior High School
.
JAKARTA TIMUR:
Yudhistira.
Gaya MLA
S, Emalia, Iragiliati., Iswahyuni, .
"Interactive English: Junior High School".
JAKARTA TIMUR:
Yudhistira,
2009.
Text.