Espinosa, J. P. (1982). Business rivalry behind 'false' overpricing report? Bulletin Today.
Lua i Stíl Chicago (17ú heag.)Espinosa, Jess P. "Business Rivalry Behind 'False' Overpricing Report?" Bulletin Today 1982.
Lua MLA (9ú heag.)Espinosa, Jess P. "Business Rivalry Behind 'False' Overpricing Report?" Bulletin Today, 1982.
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