Guiltinan, J. P., Paul, G. W., & Madden, T. J. (1997). Marketing management: Strategies and programs (6th ed.). McGraw-Hill Companies.
Lua i Stíl Chicago (17ú heag.)Guiltinan, Joseph P., Gordon W. Paul, agus Thomas J. Madden. Marketing Management: Strategies and Programs. 6th ed. New York: McGraw-Hill Companies, 1997.
Lua MLA (8ú heag.)Guiltinan, Joseph P., et al. Marketing Management: Strategies and Programs. 6th ed. McGraw-Hill Companies, 1997.
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