Malhotra, N. (2016). Marketing Research (7th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Malhotra, Naresh. Marketing Research. 7th. Delhi: Pearson, 2016.
Lua MLA (9ú heag.)Malhotra, Naresh. Marketing Research. 7th. Pearson, 2016.
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