Gaya APA
Idnriastuty, R, D. (2017).
Interactive English 1 Junior high school year VII (Cet. 2).
jakarta timur:
yudhistira.
Gaya MLA
Idnriastuty, Rina, Dwi.
"Interactive English 1 Junior high school year VII".
Cet. 2
jakarta timur:
yudhistira,
2017.
Text.