APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Cutler, D. M., & Wise, D. A. (2008). Health at older ages: The causes and consequences of declining disability among the elderly. University of Chicago Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, David M. Cutler, ба David A. Wise. Health at Older Ages: The Causes and Consequences of Declining Disability Among the Elderly. Chicago: University of Chicago Press, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. Health at Older Ages: The Causes and Consequences of Declining Disability Among the Elderly. University of Chicago Press, 2008.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.