APA-ийн эшлэл(7 дахь хэвлэлт)
National Research Council (U.S.). Panel on Statistics for an Aging Population, ebrary, Inc, & Gilford, D. M. (1988). The Aging population in the twenty-first century: Statistics for health policy. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
National Research Council (U.S.). Panel on Statistics for an Aging Population, Inc ebrary, ба Dorothy M. Gilford. The Aging Population in the Twenty-first Century: Statistics for Health Policy. Washington, D.C.: National Academy Press, 1988.
MLA -ийн эшлэл (9 дэх хэвлэлт)
National Research Council (U.S.). Panel on Statistics for an Aging Population, et al. The Aging Population in the Twenty-first Century: Statistics for Health Policy. National Academy Press, 1988.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.