Não informado. (1966). Perception & Psychophysics. Psychonomic Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Perception & Psychophysics. Austin, Tex: Psychonomic Society, 1966.
Lua MLA (8ú heag.)Não informado. Perception & Psychophysics. Psychonomic Society, 1966.
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