APA Style

Nasution, S. (2001). Metode Research ( Penelitian Ilmiah ): Usul tesis, desain penelitian, hipotesis, validitas, sampling, populasi, wawancara, angket . Jakarta: Bumi Aksara.

MLA Style

Nasution, S.. "Metode Research ( Penelitian Ilmiah ): Usul tesis, desain penelitian, hipotesis, validitas, sampling, populasi, wawancara, angket". Jakarta: Bumi Aksara, 2001. Monograf.