Gaya APA
Yulanda, R.
(2018).
English Is Easy 1
(
ed. 1 cet. 1)
.
Yogyakarta:
Deepublish.
Gaya MLA
Yulanda, Rika.
"English Is Easy 1".
ed. 1 cet. 1
Yogyakarta:
Deepublish,
2018.
Text.