Guiltinan, J. P., & Paul, G. W. (1988). Marketing management: Strategies and programs (3rd ed.). McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)Guiltinan, Joseph P., agus Gordon W. Paul. Marketing Management: Strategies and Programs. 3rd ed. New York: McGraw - Hill, 1988.
Lua MLA (9ú heag.)Guiltinan, Joseph P., agus Gordon W. Paul. Marketing Management: Strategies and Programs. 3rd ed. McGraw - Hill, 1988.
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