Beck, G., & Ablow, K. R. (2011). The 7: Seven wonders that will change your life (Threshold ed.). Threshold Editions/Mercury Radio Arts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeck, Glenn, और Keith R. Ablow. The 7: Seven Wonders That Will Change Your Life. Threshold ed. New York: Threshold Editions/Mercury Radio Arts, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeck, Glenn, और Keith R. Ablow. The 7: Seven Wonders That Will Change Your Life. Threshold ed. Threshold Editions/Mercury Radio Arts, 2011.
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