Hawkins, D. R. (2021). Reality, spirituality, and modern man (2nd edition.). Hay House, Inc..
Lua i Stíl Chicago (17ú heag.)Hawkins, David R. Reality, Spirituality, and Modern Man. 2nd edition. Carlsbad: Hay House, Inc., 2021.
Lua MLA (9ú heag.)Hawkins, David R. Reality, Spirituality, and Modern Man. 2nd edition. Hay House, Inc., 2021.
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