Heyd, T. (2003). Rock art aesthetics and cultural Appropriation. The Journal of Aesthetics and Art Criticism.
Čikaški stil citiranja (17. izdanje)Heyd, Thomas. "Rock Art Aesthetics and Cultural Appropriation." The Journal of Aesthetics and Art Criticism 2003.
MLA način citiranja (8. izdanje)Heyd, Thomas. "Rock Art Aesthetics and Cultural Appropriation." The Journal of Aesthetics and Art Criticism, 2003.
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