Malhotra, N. K. (2004). Marketing research ed.4: An applied orientation [ada CD]. Pearson Education.
Lua i Stíl Chicago (17ú heag.)Malhotra, Naresh K. Marketing Research Ed.4: An Applied Orientation [ada CD]. Pearson Education, 2004.
Lua MLA (8ú heag.)Malhotra, Naresh K. Marketing Research Ed.4: An Applied Orientation [ada CD]. Pearson Education, 2004.
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