Wald, N. J., & Watt, H. C. (1997). Prospective study of effect of switching from cigarettes to pipes or cigars on mortality from three smoking related diseases.
Chicago-стиль цитированияWald, N. J., and H. C. Watt. Prospective Study of Effect of Switching From Cigarettes to Pipes or Cigars On Mortality From Three Smoking Related Diseases. 1997.
MLA-цитированиеWald, N. J., and H. C. Watt. Prospective Study of Effect of Switching From Cigarettes to Pipes or Cigars On Mortality From Three Smoking Related Diseases. 1997.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.