KNOX, P. (1982). Urban Social Geography An Introduction Paul Knox. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)KNOX, Paul. Urban Social Geography An Introduction Paul Knox. John Wiley & Sons, 1982.
Lua MLA (8ú heag.)KNOX, Paul. Urban Social Geography An Introduction Paul Knox. John Wiley & Sons, 1982.
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