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Gaya APA
Sastradihardja, S.(2009).Mengubah Kotoran Ternak menjadi Produk Bermanfaat .Bandung:Bandung: Titian Ilmu.
Gaya MLA
Sastradihardja, Singgih."Mengubah Kotoran Ternak menjadi Produk Bermanfaat".Bandung:Bandung: Titian Ilmu,2009.Text.