Gaya APA

Rifa'i, Y. (2020). Russia's annexation in the crimean peninsula and the war of economic sanctions between Russia and the European union (July 2020 Vol. 50 The Ary Suta Center). Jakarta: The Ary Suta Center.

Gaya MLA

Rifa'i, Yusuf. "Russia's annexation in the crimean peninsula and the war of economic sanctions between Russia and the European union". July 2020 Vol. 50 The Ary Suta Center Jakarta: The Ary Suta Center, 2020. Artikel Jurnal FE.