Gregory, R. L. (1966). Eye and brain: The psychology of seeing. Weidenfeld and Nicolson.
Cita Chicago (17th ed.)Gregory, Richard Langton. Eye and Brain: The Psychology of Seeing. London: Weidenfeld and Nicolson, 1966.
Cita MLA (9th ed.)Gregory, Richard Langton. Eye and Brain: The Psychology of Seeing. Weidenfeld and Nicolson, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.