Malhotra, N. K. Essentials of Marketing Research (1.). Pearson Education UK.
Cita Chicago (17th ed.)Malhotra, Naresh K;Birks. Essentials of Marketing Research. 1. Pearson Education UK.
Cita MLA (8th ed.)Malhotra, Naresh K;Birks. Essentials of Marketing Research. 1. Pearson Education UK.
Atenció: Aquestes cites poden no estar 100% correctes.