Alexander, R. (1993). Industrial Marketing/4e (4th ed.). Richard.D.Irwin.
Chicago Style aipamenaAlexander, Ralph.S. Industrial Marketing/4e. 4th ed. Delhi: Richard.D.Irwin, 1993.
MLA aipamenaAlexander, Ralph.S. Industrial Marketing/4e. 4th ed. Richard.D.Irwin, 1993.
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