Tohutoro APA (7th ed.)
Butchvarov, P. (1998). Skepticism about the external world. Oxford University Press.
Tohutoru Kātū Chicago (17th ed.)
Butchvarov, Panayot. Skepticism About the External World. New York: Oxford University Press, 1998.
Tohutoro MLA (9th ed.)
Butchvarov, Panayot. Skepticism About the External World. Oxford University Press, 1998.
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