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Gaya APA

Iskanadar, J. (2014). Manusia & Lingkungan Dengan Berbagai Perubahannya . Yogyakarta: Jogyakarta,Graha Ilmu.

Gaya MLA

Iskanadar, Johan. "Manusia & Lingkungan Dengan Berbagai Perubahannya". Yogyakarta: Jogyakarta,Graha Ilmu, 2014. Text.