Cita APA (7th ed.)

(1972). Patterns and processes in urban and: Regional systems. Pion.

Cita Chicago (17th ed.)

Patterns and Processes in Urban and: Regional Systems. London: Pion, 1972.

Cita MLA (9th ed.)

Patterns and Processes in Urban and: Regional Systems. Pion, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.