Paley, N. (2007). The marketing strategy desktop guide (2nd ed.). Thorogood.
Lua i Stíl Chicago (17ú heag.)Paley, Norton. The Marketing Strategy Desktop Guide. 2nd ed. London: Thorogood, 2007.
Lua MLA (9ú heag.)Paley, Norton. The Marketing Strategy Desktop Guide. 2nd ed. Thorogood, 2007.
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