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Gaya APA

Mulyanto, H. (2007). Sungai Fungsi & Sifat Sifatnya . Yogyakarta: Yogyakarta:Graha Ilmu.

Gaya MLA

Mulyanto, H.R. "Sungai Fungsi & Sifat Sifatnya". Yogyakarta: Yogyakarta:Graha Ilmu, 2007. Text.