Citação norma APA
Börzel, T. A. (1999). Why there is no southern problem: On environmental leaders and laggards in the European union. European University Institute.
Citação norma Chicago
Börzel, Tanja A. Why There Is No Southern Problem: On Environmental Leaders and Laggards in the European Union. San Domenico (FI): European University Institute, 1999.
Citação norma MLA
Börzel, Tanja A. Why There Is No Southern Problem: On Environmental Leaders and Laggards in the European Union. European University Institute, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.