Gaya APA
Davidson, Z. et al (2022).
Penguin Belajar Sopan Santun = Good Behaviour Guides, Politeness For Penguins .
Jakarta:
Bhuana lImu Populer.
Gaya MLA
Davidson, Zanna. et al.
"Penguin Belajar Sopan Santun = Good Behaviour Guides, Politeness For Penguins".
Jakarta:
Bhuana lImu Populer,
2022.
Text.