Arnheim, R. (1999). Thiel, Philip. People, Paths, and Purposes: Notations for a Participatory Envirotecture: Reviewed by Rudolf Arnheim. The Journal of Aesthetics and Art Criticism.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিArnheim, Rudolf. "Thiel, Philip. People, Paths, and Purposes: Notations for a Participatory Envirotecture: Reviewed by Rudolf Arnheim." The Journal of Aesthetics and Art Criticism 1999.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিArnheim, Rudolf. "Thiel, Philip. People, Paths, and Purposes: Notations for a Participatory Envirotecture: Reviewed by Rudolf Arnheim." The Journal of Aesthetics and Art Criticism, 1999.
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