YUSUP Kristianto. (2014). Let's Color! at School. Yogyakarta: Rainbow.
シカゴスタイル引用形YUSUP Kristianto. Let's Color! At School. Yogyakarta: Rainbow, 2014.
MLA引用形式YUSUP Kristianto. Let's Color! At School. Yogyakarta: Rainbow, 2014.
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