Gaya APA
FX.Sukristiono, .
(2018).
Interactive English Year ix 1 st Semester 3A
(
pertama)
.
Jakarta:
Yudhistira.
Gaya MLA
FX.Sukristiono, .
"Interactive English Year ix 1 st Semester 3A".
pertama
Jakarta:
Yudhistira,
2018.
Text.