Baltagi, B.H., Levin, D.E. 1986
Galbraith, J.W., Kaiserman, M. 1997
Canadian Cancer Society, Non-Smokers’ Rights Association, Physicians for a Smoke-Free Canada et al. 1999
West, R., Townsend, J., Joossens, L. 2008
Merriman, D., Yürekli, A.A., Chaloupka, F.J. 2000
International Agency for Research on Cancer 2011
