McDaniel, C. D., & Gates, R. H. (2013). Marketing research essentials (Eighth Edition.). John Wiley.
Cita Chicago (17th ed.)McDaniel, Carl D., i Roger H. Gates. Marketing Research Essentials. Eighth Edition. Hoboken, N.J: John Wiley, 2013.
Cita MLA (9th ed.)McDaniel, Carl D., i Roger H. Gates. Marketing Research Essentials. Eighth Edition. John Wiley, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.