(1990). Smoking, Tobacco, nd cancer program: 1985-1989 status report. US. Department of Health and Human Services.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Smoking, Tobacco, Nd Cancer Program: 1985-1989 Status Report. [Washington]: US. Department of Health and Human Services, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)Smoking, Tobacco, Nd Cancer Program: 1985-1989 Status Report. US. Department of Health and Human Services, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.