Gaya APA
Widayanti, M, A.
(2015).
Interactive English Junior High School Grade IX
(
Cet.1)
.
JAKARTA TIMUR:
YUDHISTIRA.
Gaya MLA
Widayanti, M.J, Ari.
"Interactive English Junior High School Grade IX".
Cet.1
JAKARTA TIMUR:
YUDHISTIRA,
2015.
Text.