Smith, D. R., & Leggat, P. A. (2007). An international review of tobacco smoking in the medical profession: 1974–2004. BioMed Central.
Chicago Stili AlıntıSmith, Derek R., ve Peter A. Leggat. An International Review of Tobacco Smoking in the Medical Profession: 1974–2004. BioMed Central, 2007.
MLA AlıntıSmith, Derek R., ve Peter A. Leggat. An International Review of Tobacco Smoking in the Medical Profession: 1974–2004. BioMed Central, 2007.
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