Spencer, J. E., & Thomas , W. L. (1973). Introducing cultural geography. John wiley.
Citación estilo ChicagoSpencer, J. E., and W. L. Thomas. Introducing Cultural Geography. New York: John wiley, 1973.
Cita MLASpencer, J. E., and W. L. Thomas. Introducing Cultural Geography. John wiley, 1973.
Warning: These citations may not always be 100% accurate.