Ehrenreich, B., & Bean, J. (2018). Natural causes: An epidemic of wellness, the certainty of dying, and killing ourselves to live longer (Unabridged.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEhrenreich, Barbara, और Joyce Bean. Natural Causes: An Epidemic of Wellness, the Certainty of Dying, and Killing Ourselves to Live Longer. Unabridged. 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEhrenreich, Barbara, और Joyce Bean. Natural Causes: An Epidemic of Wellness, the Certainty of Dying, and Killing Ourselves to Live Longer. Unabridged. 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.