Gaya APA
Soonckindt, E. et al
(2007).
Poor Woufi! = Kasihan si Woufi!
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Jakarta:
Erlangga For Kids.
Gaya MLA
Soonckindt, Edith. et al.
"Poor Woufi! = Kasihan si Woufi!".
Jakarta:
Erlangga For Kids,
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Book.