Sheridan, J. F. (1980). Mystery Delight: An Unnatural Philosophy. University Press of America.
Chicago-čujuhus (17. p.)Sheridan, James F. Mystery Delight: An Unnatural Philosophy. Washington, D.C: University Press of America, 1980.
MLA-čujuhus (9. p.)Sheridan, James F. Mystery Delight: An Unnatural Philosophy. University Press of America, 1980.
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