Cita APA (7th ed.)

O'Sullivan, A. (2019). Urban economics (Ninth edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

O'Sullivan, Arthur. Urban Economics. Ninth edition. New York: McGraw-Hill Education, 2019.

Cita MLA (8th ed.)

O'Sullivan, Arthur. Urban Economics. Ninth edition. McGraw-Hill Education, 2019.