Cita APA (7a ed.)
Vorobiyenko, P. Global Reasons of World Instability and Ways to Its Decrease.
Cita Chicago Style (17a ed.)
Vorobiyenko, Petro. Global Reasons of World Instability and Ways to Its Decrease.
Cita MLA (9a ed.)
Vorobiyenko, Petro. Global Reasons of World Instability and Ways to Its Decrease.
Precaución: Estas citas no son 100% exactas.