PETER, J. P. (2007). Marketing management: Knowledge and Skills. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)PETER, J. Paul. Marketing Management: Knowledge and Skills. McGraw-Hill, 2007.
Lua MLA (8ú heag.)PETER, J. Paul. Marketing Management: Knowledge and Skills. McGraw-Hill, 2007.
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