Cerullo, D. (1999). Turn off the darkness: Changing your world for God. Inspirational networks.
Chicago Style (17th ed.) ZitazioaCerullo, David. Turn off the Darkness: Changing Your World for God. Charlotte: Inspirational networks, 1999.
MLA (9th ed.) ZitazioaCerullo, David. Turn off the Darkness: Changing Your World for God. Inspirational networks, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.