Gaya APA

Toner, J, J. (1995). Spirit of light or darkness? A casebook for studying discernment of Spirits. . St Louis: St Louis Institute of Jesuit Sources.

Gaya MLA

Toner, Jules, J.. "Spirit of light or darkness? A casebook for studying discernment of Spirits. ". St Louis: St Louis Institute of Jesuit Sources, 1995. Buku.