Ruben, D. Disjunctive theories of perception and action: David-Hillel Ruben. Disjunctivism : perception, action, knowledge.(2008).
Lua i Stíl Chicago (17ú heag.)Ruben, David-Hillel. "Disjunctive Theories of Perception and Action: David-Hillel Ruben." Disjunctivism : Perception, Action, Knowledge.(2008) .
Lua MLA (8ú heag.)Ruben, David-Hillel. "Disjunctive Theories of Perception and Action: David-Hillel Ruben." Disjunctivism : Perception, Action, Knowledge.(2008), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.