Jay, R., & Ros Jay. (1998). Marketing on a budget. London ; Boston: International Thomson Pub. Europe.
Trích dẫn kiểu ChicagoJay, Ros., và Ros Jay. Marketing On a Budget. London ; Boston: International Thomson Pub. Europe, 1998.
Deismireacht MLAJay, Ros., và Ros Jay. Marketing On a Budget. London ; Boston: International Thomson Pub. Europe, 1998.
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