Ellis, J. (2017). One-week insomnia cure: Learn to solve your sleep problems. Vermilion.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllis, Jason. One-week Insomnia Cure: Learn to Solve Your Sleep Problems. London: Vermilion, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEllis, Jason. One-week Insomnia Cure: Learn to Solve Your Sleep Problems. Vermilion, 2017.
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