Katter, C. K. Fallen angels and evil spirit beings: A neglected and forgotten reality. [s.n.].
Čikaški stil citiranja (17. izdanje)Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [S.l.]: [s.n.].
MLA način citiranja (9. izdanje)Katter, Calvin K. Fallen Angels and Evil Spirit Beings: A Neglected and Forgotten Reality. [s.n.].
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