Gaya APA

Barus, Z., Asshiddiqie, J. (2009). Akar konseptual legal reasoning dalam filsafat hukum . Depok: Center for Education and Legal Studies (CELS).

Gaya MLA

Barus, Zulfadli., Asshiddiqie, Jimly. "Akar konseptual legal reasoning dalam filsafat hukum". Depok: Center for Education and Legal Studies (CELS), 2009. Text.