ebrary, Inc, & Irwin, W. (2012). Black Sabbath & philosophy: Mastering reality. Wiley-Blackwell.
Tohutoru Kātū Chicago (17th ed.)ebrary, Inc, me William Irwin. Black Sabbath & Philosophy: Mastering Reality. Chichester, West Sussex ; Malden, MA: Wiley-Blackwell, 2012.
Tohutoro MLA (9th ed.)ebrary, Inc, me William Irwin. Black Sabbath & Philosophy: Mastering Reality. Wiley-Blackwell, 2012.
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