Erickson, G. M. (1991). Dynamic models of advertising competition: Open - and closed - loop extensions. Kluwer.
Lua i Stíl Chicago (17ú heag.)Erickson, Gary M. Dynamic Models of Advertising Competition: Open - and Closed - Loop Extensions. Boston: Kluwer, 1991.
Lua MLA (9ú heag.)Erickson, Gary M. Dynamic Models of Advertising Competition: Open - and Closed - Loop Extensions. Kluwer, 1991.
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