Burns, A. C., Bush, R. F., & Sinha, N. (2014). Marketing research (Edition 7.). Pearson Education Limited.
Cita Chicago (17th ed.)Burns, Alvin C., Ronald F. Bush, i Nilanjana Sinha. Marketing Research. Edition 7. England: Pearson Education Limited, 2014.
Cita MLA (9th ed.)Burns, Alvin C., et al. Marketing Research. Edition 7. Pearson Education Limited, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.