Citação norma APA
Nierop, T. (1994). Systems and regions in global politics: <an> empirical study of diplomacy, international organization and trade 1950-1991. John Wiley & Sons.
Citação norma Chicago
Nierop, Tom. Systems and Regions in Global Politics: <an> Empirical Study of Diplomacy, International Organization and Trade 1950-1991. Chichester: John Wiley & Sons, 1994.
Citação norma MLA
Nierop, Tom. Systems and Regions in Global Politics: <an> Empirical Study of Diplomacy, International Organization and Trade 1950-1991. John Wiley & Sons, 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.