1. D. BERMAN, 1997 ‘The Edge’ Canadian Business October, 73 -79 .
2. Christaller's central place postulates
3. W. CARDWELL, 1997 ‘The Functional Reconfiguration of a Financial Services Delivery Network’Research Report 97-7.Toronto: Centre for the Study of Commercial Activity, Ryerson Polytechnic University.
4. M. DOUCET, and K. JONES, 1997 ‘Shopping Centre Dynamics in the Greater Toronto Area’ Toronto: Centre for the Study of Commercial Activity, Ryerson Polytechnic University, Research Report 97-4.