Gaya APA
Cowell, C. et al (2019).
The wizard of once : Knock three times = ketuk tiga kali (Cetakan pertama).
Jakarta Selatan:
Mahaka Publishing.
Gaya MLA
Cowell, Cressida. et al.
"The wizard of once : Knock three times = ketuk tiga kali".
Cetakan pertama
Jakarta Selatan:
Mahaka Publishing,
2019.
Text.