Gaya APA

Barus, Z. (2009). Akar Konseptual Legal Reasoning Dalam Filsafat Hukum (CET.1). Depok: CELS (Center for Education and Legal Studies).

Gaya MLA

Barus, Zulfadli. "Akar Konseptual Legal Reasoning Dalam Filsafat Hukum". CET.1 Depok: CELS (Center for Education and Legal Studies), 2009. Text.