Bearden, W. O. (1998). Marketing principles and perspectives (2nd ed.). Boston, Mass.: Irwin/McGraw-Hill.
Čikaški stil citiranjaBearden, William O. Marketing Principles and Perspectives. 2nd ed. Boston, Mass.: Irwin/McGraw-Hill, 1998.
MLA način citiranjaBearden, William O. Marketing Principles and Perspectives. 2nd ed. Boston, Mass.: Irwin/McGraw-Hill, 1998.
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