Gaya APA
Tirta, C.
(2018).
YOUR PLAYGIRL # BAD GIRL SERIES
.
Yogyakarta:
Gramedia Pustaka Utama.
Gaya MLA
Tirta, Christina.
"YOUR PLAYGIRL # BAD GIRL SERIES".
Yogyakarta:
Gramedia Pustaka Utama,
2018.
Text.