APA (7th ed.) Zitazioa
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.
Chicago Style (17th ed.) Zitazioa
Doukas, David John, eta William Reichel. Planning for Uncertainty: Living Wills and Other Advance Directives for You and Your Family. 2nd ed. Baltimore: Johns Hopkins University Press, 2007.
MLA (9th ed.) Zitazioa
Doukas, David John, eta William Reichel. Planning for Uncertainty: Living Wills and Other Advance Directives for You and Your Family. 2nd ed. Johns Hopkins University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.