DiFranza, J. R., & Godshall, W. T. (1996). Tobacco industry efforts hindering enforcement of the ban on tobacco sales to minors: Actions speak louder than words. BMJ Group.
Chicago-stil citatDiFranza, J. R., och W. T. Godshall. Tobacco Industry Efforts Hindering Enforcement of the Ban On Tobacco Sales to Minors: Actions Speak Louder Than Words. BMJ Group, 1996.
MLA-referensDiFranza, J. R., och W. T. Godshall. Tobacco Industry Efforts Hindering Enforcement of the Ban On Tobacco Sales to Minors: Actions Speak Louder Than Words. BMJ Group, 1996.
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