APA-viite (7. p.)
Hopp, W. (2011). Perception and knowledge: A phenomenological account. Cambridge University Press.
Chicago-viite (17. p.)
Hopp, Walter. Perception and Knowledge: A Phenomenological Account. Cambridge [U.K.]: Cambridge University Press, 2011.
MLA-viite (9. p.)
Hopp, Walter. Perception and Knowledge: A Phenomenological Account. Cambridge University Press, 2011.
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