Cita APA (7th ed.)

Cullingworth, B. (2014). Planning in the USA: Policies, issues and processes. Riutledge.

Cita Chicago (17th ed.)

Cullingworth, Barry. Planning in the USA: Policies, Issues and Processes. London: Riutledge, 2014.

Cita MLA (9th ed.)

Cullingworth, Barry. Planning in the USA: Policies, Issues and Processes. Riutledge, 2014.