Peretti, F. E. (2010). This present darkness: This present darkness series, book 1 (Abridged.). Crossway Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeretti, Frank E. This Present Darkness: This Present Darkness Series, Book 1. Abridged. Escondido: Crossway Audio, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeretti, Frank E. This Present Darkness: This Present Darkness Series, Book 1. Abridged. Crossway Audio, 2010.
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