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Gaya APA

Wijana, N. (2014). Ilmu Lingkungan Edisi 2 . Yogyakarta: Jogyakarta,Graha Ilmu.

Gaya MLA

Wijana, Nyoman. "Ilmu Lingkungan Edisi 2". Yogyakarta: Jogyakarta,Graha Ilmu, 2014. Text.