33 | Perr | Perreault, William. Learning aid for use with "Essentials of marketing" [by] W.D. Perreault, E.J. McCarthy, 7th ed. [Текст] / William D. Perreault, E. Jerome McCarthy. — Boston a.o. : Irwin: McGraw-Hill, 1997. — 5,408 розд.паг. |
| ISBN 0-256-18982-X | |
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