Briggs, C. V. (2010). Encyclopedia of the unseen world: The ultimate guide to apparitions, death bed visions, mediums, shadow people, wandering spirits, and much, much more (1. publ.). Weiser.
Čikaški stil citiranja (17. izdanje)Briggs, Constance Victoria. Encyclopedia of the Unseen World: The Ultimate Guide to Apparitions, Death Bed Visions, Mediums, Shadow People, Wandering Spirits, and Much, Much More. 1. publ. San Francisco, Cal.: Weiser, 2010.
MLA način citiranja (8. izdanje)Briggs, Constance Victoria. Encyclopedia of the Unseen World: The Ultimate Guide to Apparitions, Death Bed Visions, Mediums, Shadow People, Wandering Spirits, and Much, Much More. 1. publ. Weiser, 2010.
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