| Tom Pendergast, Sara Pendergast (eds.) International Dictionary of Films and Filmmakers, 1. Films Detroit/New York/San Francisco/London/Boston/Woodbridge, CT, 2000 |
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| Frank N. Magill (ed.) Magill's Survey of Cinema, Foreign Language Films. Volume 1 A-CED Englewood Cliffs, N.J., 1985 |
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| Chris Chang, Paranormal Activity, Steven Severin gives Blood of a Poet a fresh transfusion, in: Filmcomment, nr. 5 (September/October), 2010 pp. 14 |