Doyle, P., & Stern, P. (2006). Marketing management and strategy (4th ed.). Financial Times Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Doyle, Peter, agus Phil Stern. Marketing Management and Strategy. 4th ed. New York: Financial Times Prentice Hall, 2006.
Lua MLA (8ú heag.)Doyle, Peter, agus Phil Stern. Marketing Management and Strategy. 4th ed. Financial Times Prentice Hall, 2006.
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