Pearce, J. C. (1974). Exploring the crack in the cosmic egg: Split minds and meta-realities. Julian Press.
Chicago-viite (17. p.)Pearce, Joseph Chilton. Exploring the Crack in the Cosmic Egg: Split Minds and Meta-realities. New York: Julian Press, 1974.
MLA-viite (8. p.)Pearce, Joseph Chilton. Exploring the Crack in the Cosmic Egg: Split Minds and Meta-realities. Julian Press, 1974.
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