Morrison, W. I., & Smith, P. (1976). Input-output methods in urban and regional planning: A practical guide. Planning Research Applications Group.
Lua i Stíl Chicago (17ú heag.)Morrison, William Ian, agus Peter Smith. Input-output Methods in Urban and Regional Planning: A Practical Guide. London: Planning Research Applications Group, 1976.
Lua MLA (9ú heag.)Morrison, William Ian, agus Peter Smith. Input-output Methods in Urban and Regional Planning: A Practical Guide. Planning Research Applications Group, 1976.
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