Gaya APA
Obsesi Biru. (2019).
Yogyakarta:
Sheila Publisher.
Gaya Chicago
Obsesi Biru.
.
Yogyakarta:
Sheila Publisher,
2019.
Text.
Gaya MLA
Obsesi Biru.
.
Yogyakarta:
Sheila Publisher,
2019.
Text.
Gaya Turabian
Obsesi Biru.
Yogyakarta:
Sheila Publisher,
2019.
Print.