Ridley, A. (1997). Not Ideal: Collingwood's Expression Theory. The Journal of Aesthetics and Art Criticism.
Chicago-viite (17. p.)Ridley, Aaron. "Not Ideal: Collingwood's Expression Theory." The Journal of Aesthetics and Art Criticism 1997.
MLA-viite (8. p.)Ridley, Aaron. "Not Ideal: Collingwood's Expression Theory." The Journal of Aesthetics and Art Criticism, 1997.
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