Gavin, W. J. (2013). William James in focus: Willing to believe. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Gavin, W. J. William James in Focus: Willing to Believe. Bloomington: Indiana University Press, 2013.
Lua MLA (9ú heag.)Gavin, W. J. William James in Focus: Willing to Believe. Indiana University Press, 2013.
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