Citazione Stile APA (7a Edizione)
Dančo, J. The Activities of the OPEC Organization in the Context of Contemporary International Relations.
Citazione stile Chigago Style (17a edizione)
Dančo, Ján. The Activities of the OPEC Organization in the Context of Contemporary International Relations.
Citatione MLA (9a ed.)
Dančo, Ján. The Activities of the OPEC Organization in the Context of Contemporary International Relations.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.