(1990). Smoking, Tobacco, nd cancer program: 1985-1989 status report. [Washington]: US. Department of Health and Human Services.
Trích dẫn kiểu ChicagoSmoking, Tobacco, Nd Cancer Program: 1985-1989 Status Report. [Washington]: US. Department of Health and Human Services, 1990.
Trích dẫn MLASmoking, Tobacco, Nd Cancer Program: 1985-1989 Status Report. [Washington]: US. Department of Health and Human Services, 1990.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.