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