PRAMONO, P. R., & Editor : Oktaviani Hastu Sudiyarto. (2006). Tiga puluh menit essay writing, writing is easy. Yogyakarta: Andi.
シカゴスタイル引用形PRAMONO, Peni R., and Editor : Oktaviani Hastu Sudiyarto. Tiga Puluh Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi, 2006.
MLA引用形式PRAMONO, Peni R., and Editor : Oktaviani Hastu Sudiyarto. Tiga Puluh Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi, 2006.
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