Ruben, D. Disjunctive theories of perception and action: David-Hillel Ruben. Disjunctivism : perception, action, knowledge.(2008).
Chicago-viite (17. p.)Ruben, David-Hillel. "Disjunctive Theories of Perception and Action: David-Hillel Ruben." Disjunctivism : Perception, Action, Knowledge.(2008) .
MLA-viite (8. p.)Ruben, David-Hillel. "Disjunctive Theories of Perception and Action: David-Hillel Ruben." Disjunctivism : Perception, Action, Knowledge.(2008), .
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