APA (7 वां संस्करण) प्रशस्ति पत्र
Doukas, D. J., & Reichel, W. (2007). Planning for uncertainty: Living wills and other advance directives for you and your family (2nd ed.). Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Doukas, David John, और William Reichel. Planning for Uncertainty: Living Wills and Other Advance Directives for You and Your Family. 2nd ed. Baltimore: Johns Hopkins University Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Doukas, David John, और William Reichel. Planning for Uncertainty: Living Wills and Other Advance Directives for You and Your Family. 2nd ed. Johns Hopkins University Press, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.