APA-viite (7. p.)

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-viite (17. p.)

Tortola, P., ja D. King. Federalism, the State and the City: Explaining Urban Policy Institutions in the United States and in the European Union. 2012.

MLA-viite (9. p.)

Tortola, P., ja D. King. Federalism, the State and the City: Explaining Urban Policy Institutions in the United States and in the European Union. 2012.