Stroud, J. The psychological moment in perception: John Stroud. Transactions=Protokolle.(2003).
Lua i Stíl Chicago (17ú heag.)Stroud, John. "The Psychological Moment in Perception: John Stroud." Transactions=Protokolle.(2003) .
Lua MLA (8ú heag.)Stroud, John. "The Psychological Moment in Perception: John Stroud." Transactions=Protokolle.(2003), .
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