Cherington, P. T. (1920). The elements of marketing. The Macmillan company.
Lua i Stíl Chicago (17ú heag.)Cherington, Paul Terry. The Elements of Marketing. New York: The Macmillan company, 1920.
Lua MLA (8ú heag.)Cherington, Paul Terry. The Elements of Marketing. The Macmillan company, 1920.
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