Guiltinan, J. P., & Paul, G. W. (1991). Marketing management: Strategies and programs (4th ed.). Mc Graw hill.
Dyfyniad Arddull ChicagoGuiltinan, Joseph P., and Gordon W. Paul. Marketing Management: Strategies and Programs. 4th ed. New York: Mc Graw hill, 1991.
Dyfyniad MLAGuiltinan, Joseph P., and Gordon W. Paul. Marketing Management: Strategies and Programs. 4th ed. Mc Graw hill, 1991.
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