Carpenter, L., Beral, V., Strachan, D., Ebi-Kryston, K., & Inskip, H. (1989). Respiratory symptoms as predictors of 27 year mortality in a representative sample of British adults.
Chicago-referens (17:e uppl.)Carpenter, L., V. Beral, D. Strachan, K. Ebi-Kryston, och H. Inskip. Respiratory Symptoms as Predictors of 27 Year Mortality in a Representative Sample of British Adults. 1989.
MLA-referens (9:e uppl.)Carpenter, L., et al. Respiratory Symptoms as Predictors of 27 Year Mortality in a Representative Sample of British Adults. 1989.
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