Summers, M. (1952). The supernatural Omnibus. Victor Gollancz.
Lua i Stíl Chicago (17ú heag.)Summers, Montague. The Supernatural Omnibus. London: Victor Gollancz, 1952.
Lua MLA (8ú heag.)Summers, Montague. The Supernatural Omnibus. Victor Gollancz, 1952.
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