Gregory, R. L. (1974). Concepts and mechanism of perception. Duckworth.
Chicago Edition CitationGregory, R. L. Concepts and Mechanism of Perception. London: Duckworth, 1974.
MLA Edition CitationGregory, R. L. Concepts and Mechanism of Perception. Duckworth, 1974.
Warning: These citations may not always be 100% accurate.