Cita APA (7a ed.)
Twitchell, J. B. Twenty Ads That Shook the World: The Century's Most Ground-Breaking Advertising and How It Changed Us All. Three Rivers.
Cita estilo Chicago (17a ed.)
Twitchell, James B. Twenty Ads That Shook the World: The Century's Most Ground-Breaking Advertising and How It Changed Us All. Nueva York, EUA: Three Rivers.
Cita MLA (9a ed.)
Twitchell, James B. Twenty Ads That Shook the World: The Century's Most Ground-Breaking Advertising and How It Changed Us All. Three Rivers.
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