CRAVENS, D. W. (2013). Strategic marketing tenth edition. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)CRAVENS, David W. Strategic Marketing Tenth Edition. McGraw-Hill, 2013.
Lua MLA (8ú heag.)CRAVENS, David W. Strategic Marketing Tenth Edition. McGraw-Hill, 2013.
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