Gaya APA
Cowell, C., Mustika, . (2019).
The Wizard of Once : Knock Three Times (cet 1).
Jakarta Selatan:
Mahaka Publishing.
Gaya MLA
Cowell, Cressida., Mustika, .
"The Wizard of Once : Knock Three Times".
cet 1
Jakarta Selatan:
Mahaka Publishing,
2019.
Text.