Advance Care Planning: Health Care Directives. National Institute on Aging.
Chicago Style (17. basım) AtıfAdvance Care Planning: Health Care Directives. National Institute on Aging.
MLA (9th ed.) AtıfAdvance Care Planning: Health Care Directives. National Institute on Aging.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..