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Gaya APA
Idrus, M.(2009).Metode Penelitian Ilmu Sosial: Pendekatan Kualitatif dan Kuantitatif Edisi 2 .Jakarta:Erlangga.
Gaya MLA
Idrus, Muhammad."Metode Penelitian Ilmu Sosial: Pendekatan Kualitatif dan Kuantitatif Edisi 2".Jakarta:Erlangga,2009.Text.