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Gaya APA

Nasution, P, D, S. (2001). Metode Research (Penelitian Ilmiah) : Usul Tesis Desain Penelitian,Hipotesis, Validitas, Populasi, Observasi, Wawancara Dan Angket / S. Nasution (Cet.4). Jakarta: Bumi Aksara.

Gaya MLA

Nasution, Prof., Dr., S.. "Metode Research (Penelitian Ilmiah) : Usul Tesis Desain Penelitian,Hipotesis, Validitas, Populasi, Observasi, Wawancara Dan Angket / S. Nasution". Cet.4 Jakarta: Bumi Aksara, 2001. Text.