Finkel, L. The construction of perception: Leif Finkel. Incorporations.(1992).
Lua i Stíl Chicago (17ú heag.)Finkel, Leif. "The Construction of Perception: Leif Finkel." Incorporations.(1992) .
Lua MLA (8ú heag.)Finkel, Leif. "The Construction of Perception: Leif Finkel." Incorporations.(1992), .
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