Gaya APA

Bakry, U, S. (2019). Dasar-dasar hubungan internasional (Ed.1; Cet.2). Jakarta: Prenadamedia Group.

Gaya MLA

Bakry, Umar, Suryadi. "Dasar-dasar hubungan internasional". Ed.1; Cet.2 Jakarta: Prenadamedia Group, 2019. Art Original.