Bell, P. A. (2001). Environmental psychology (Fifth edition.). Harcourt College Publishers.
Lua i Stíl Chicago (17ú heag.)Bell, Paul A. Environmental Psychology. Fifth edition. Fort Worth, TX: Harcourt College Publishers, 2001.
Lua MLA (8ú heag.)Bell, Paul A. Environmental Psychology. Fifth edition. Harcourt College Publishers, 2001.
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