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Gaya APA
Ibrahim, A, S.(1995).Sosiolinguistik : Sajian, Tujuan, Pendekatan dan Problem .Surabaya:Usaha Nasional.
Gaya MLA
Ibrahim, Abd., Syukur."Sosiolinguistik : Sajian, Tujuan, Pendekatan dan Problem".Surabaya:Usaha Nasional,1995.Text.