Tortola, P., & King, D. (2012). Federalism, the state and the city: Explaining urban policy institutions in the United States and in the European Union.
Chicago-referens (17:e uppl.)Tortola, P., och D. King. Federalism, the State and the City: Explaining Urban Policy Institutions in the United States and in the European Union. 2012.
MLA-referens (9:e uppl.)Tortola, P., och D. King. Federalism, the State and the City: Explaining Urban Policy Institutions in the United States and in the European Union. 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.