Gaya APA

Nasution, P. (2012). Metode Research (penelitian ilmiah): Usul tesis, desain penelitian, hipotesis, validasi, sampling, populasi, observasi, wawancara, angket (ed.1 cet. 13). Jakarta: PT Bumi Aksara.

Gaya MLA

Nasution, Prof. "Metode Research (penelitian ilmiah): Usul tesis, desain penelitian, hipotesis, validasi, sampling, populasi, observasi, wawancara, angket". ed.1 cet. 13 Jakarta: PT Bumi Aksara, 2012. Mata Kuliah Pengembangan Kepri.