Malhotra, N. (2005). Marketing research: An applied orientation (4th.). PHI.
Lua i Stíl Chicago (17ú heag.)Malhotra, Naresh. Marketing Research: An Applied Orientation. 4th. New Delhi: PHI, 2005.
Lua MLA (9ú heag.)Malhotra, Naresh. Marketing Research: An Applied Orientation. 4th. PHI, 2005.
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