APA Style
Blyton, E. et al (2017).
Si babi ungu dan cerita-cerita lain = Buttercup day and other stories .
:
Gramedia Pustaka Utama.
MLA Style
Blyton, Enid. et al.
"Si babi ungu dan cerita-cerita lain = Buttercup day and other stories".
:
Gramedia Pustaka Utama,
2017.
Text.