Herbert, D. T. (1982). Urban geography: A first approach. Wiley.
Cita Chicago (17th ed.)Herbert, David T. Urban Geography: A First Approach. New York: Wiley, 1982.
Cita MLA (9th ed.)Herbert, David T. Urban Geography: A First Approach. Wiley, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.