APA Citation

NASUTION, S. P. Metode Research (Penelitian Ilmiah). Bumi Aksara.

Chicago Style Citation

NASUTION, S. Pr. Metode Research (Penelitian Ilmiah). Bumi Aksara.

MLA Citation

NASUTION, S. Pr. Metode Research (Penelitian Ilmiah). Bumi Aksara.

Warning: These citations may not always be 100% accurate.