Johnston, R. J. (1976). The World trade system: Some enquires into its spatial structure. G. Bell.
Citación estilo ChicagoJohnston, R. J. The World Trade System: Some Enquires into Its Spatial Structure. London: G. Bell, 1976.
Cita MLAJohnston, R. J. The World Trade System: Some Enquires into Its Spatial Structure. G. Bell, 1976.
Warning: These citations may not always be 100% accurate.