Malhotra Naresh. (2019). Marketing Research (7TH.). Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)Malhotra Naresh. Marketing Research. 7TH. Delhi: Prentice Hall of India, 2019.
Lua MLA (9ú heag.)Malhotra Naresh. Marketing Research. 7TH. Prentice Hall of India, 2019.
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