CZINKOTA MICHAEL R. (2002). INTERNATIONAL MARKETING. HARCOURT COLLEGE.
Lua i Stíl Chicago (17ú heag.)CZINKOTA MICHAEL R. INTERNATIONAL MARKETING. USA: HARCOURT COLLEGE, 2002.
Lua MLA (9ú heag.)CZINKOTA MICHAEL R. INTERNATIONAL MARKETING. HARCOURT COLLEGE, 2002.
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