Smith, J. (1955). Industrial and commercial Geography (4th ed.). Holt, Rinehart and.
Cita Chicago (17th ed.)Smith, J.Russell. Industrial and Commercial Geography. 4th ed. New York: Holt, Rinehart and, 1955.
Cita MLA (9th ed.)Smith, J.Russell. Industrial and Commercial Geography. 4th ed. Holt, Rinehart and, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.