Malhotra Naresh K. (2018). Marketing Research (7.). Pearson.
Lua i Stíl Chicago (17ú heag.)Malhotra Naresh K. Marketing Research. 7. Noida: Pearson, 2018.
Lua MLA (9ú heag.)Malhotra Naresh K. Marketing Research. 7. Pearson, 2018.
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