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Dyfyniad Arddull ChicagoFreeman, Daniel, and Jason Freeman. Paranoia: The Twenty First Century Fear. Oxford: Oxford University Press, 2008.
Dyfyniad MLAFreeman, Daniel, and Jason Freeman. Paranoia: The Twenty First Century Fear. Oxford University Press, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.