UTAMI Widijati, & Daru Wijayanti. (2011). Super Duper Smart Activity Book. Yogyakarta: Bangkit.
シカゴスタイル引用形UTAMI Widijati, and Daru Wijayanti. Super Duper Smart Activity Book. Yogyakarta: Bangkit, 2011.
MLA引用形式UTAMI Widijati, and Daru Wijayanti. Super Duper Smart Activity Book. Yogyakarta: Bangkit, 2011.
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