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Gaya APA

Nurdin, E. (2011). Manajemen Sapi Perah . Yogyakarta: Yogyakarta: Graha Ilmu.

Gaya MLA

Nurdin, Ellyza. "Manajemen Sapi Perah". Yogyakarta: Yogyakarta: Graha Ilmu, 2011. Text.