APA-ийн эшлэл(7 дахь хэвлэлт)
Social security bulletin. Annual statistical supplement / U.S. Dept. of Health, Education, and Welfare, Social Security Administration [Soc Secur Bull Annu Stat Suppl] NLMUID: 8302370.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Social Security Bulletin. Annual Statistical Supplement / U.S. Dept. of Health, Education, and Welfare, Social Security Administration [Soc Secur Bull Annu Stat Suppl] NLMUID: 8302370.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Social Security Bulletin. Annual Statistical Supplement / U.S. Dept. of Health, Education, and Welfare, Social Security Administration [Soc Secur Bull Annu Stat Suppl] NLMUID: 8302370.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.