Cita APA (7th ed.)
Cullingworth, B., & Caves, R. W. (2014). Planning in the USA: Policies, issues, and processes (4th ed.). Routledge.
Cita Chicago (17th ed.)
Cullingworth, Barry, i Roger W. Caves. Planning in the USA: Policies, Issues, and Processes. 4th ed. New York: Routledge, 2014.
Cita MLA (9th ed.)
Cullingworth, Barry, i Roger W. Caves. Planning in the USA: Policies, Issues, and Processes. 4th ed. Routledge, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.