Putri Silvi, D. (2005). Change! (How To Over Come Your Feeling). Yogyakarta: Pustaka Anggrek.
シカゴスタイル引用形Putri Silvi, Dian. Change! (How To Over Come Your Feeling). Yogyakarta: Pustaka Anggrek, 2005.
MLA引用形式Putri Silvi, Dian. Change! (How To Over Come Your Feeling). Yogyakarta: Pustaka Anggrek, 2005.
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