Gaya APA
Hendyar, A.
(2017).
Okko the sleepy koala
.
Sidoarjo:
Masmedia Buana Pustaka.
Gaya MLA
Hendyar, Ambar.
"Okko the sleepy koala".
Sidoarjo:
Masmedia Buana Pustaka,
2017.
Text.