APA-viite

McKenna, J. W., & Williams, K. N. (1993). Crafting effective tobacco counteradvertisements: Lessons from a failed campaign directed at teenagers.

Chicago-tyylinen lähdeviittaus

McKenna, J W., ja K N. Williams. Crafting Effective Tobacco Counteradvertisements: Lessons From a Failed Campaign Directed At Teenagers. 1993.

MLA-viite

McKenna, J W., ja K N. Williams. Crafting Effective Tobacco Counteradvertisements: Lessons From a Failed Campaign Directed At Teenagers. 1993.

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