Bell, P. A. (2001). Environmental psychology (Fifth edition.). Harcourt College Publishers.
Cita Chicago (17th ed.)Bell, Paul A. Environmental Psychology. Fifth edition. Fort Worth, TX: Harcourt College Publishers, 2001.
Cita MLA (8th ed.)Bell, Paul A. Environmental Psychology. Fifth edition. Harcourt College Publishers, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.