Bibliografia

Principal

• Saunders, M., Lewis, P., Thornhill, A. (2009) Research Methods for Business Students ISBN: 9781292016627
• Carson, D., Gilmore, A., Perry, C., & Gronhaug, K. (2001) Qualitative marketing research DOI: DOI: https://dx.doi.org/10.4135/9781849209625

Secundária

• Sarin-Baden, M., Major, C. H. (2013) Qualitative Research: The essential guide to theory and practice. ISBN: ISBN: 9780415674782
• Malhotra, N. K (2010) Marketing research: an applied orientation (chapter 5) ISBN: 1292265639