Gaya APA
Zen, S., Nasution, C, V.
(2019).
Summer sky
.
Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
Zen, Stephanie., Nasution, Claudia, Von.
"Summer sky".
Jakarta:
PT. Gramedia Pustaka Utama,
2019.
PRINTED BOOK.