Meier, B. (1998). Memos show tobacco firms were obsessed with nicotine. Today.
Chicago-viite (17. p.)Meier, Barry. "Memos Show Tobacco Firms Were Obsessed with Nicotine." Today 1998.
MLA-viite (9. p.)Meier, Barry. "Memos Show Tobacco Firms Were Obsessed with Nicotine." Today, 1998.
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