BEERY, B. J. 2. (1972). City classification: Methods and applications. Wiley-Interscience.
Cita Chicago (17th ed.)BEERY, Brian J.L. 2d. City Classification: Methods and Applications. New York: Wiley-Interscience, 1972.
Cita MLA (9th ed.)BEERY, Brian J.L. 2d. City Classification: Methods and Applications. Wiley-Interscience, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.