1.
Silverman, David: Doing qualitative research: a practical handbook. SAGE, London (2010).
2.
Thorpe, R., Holt, R., MyiLibrary: The Sage dictionary of qualitative management research. SAGE, London (2008).
3.
Symon, G., Cassell, C.: Qualitative organizational research: core methods and current challenges. Sage, London (2012).
4.
Cassell, C., Symon, G.: Essential guide to qualitative methods in organizational research. SAGE, London (2004).
5.
Denzin, N.K., Lincoln, Y.S.: The SAGE handbook of qualitative research. SAGE, Thousand Oaks, California (2011).
6.
Silverman, D.: A very short, fairly interesting and reasonably cheap book about qualitative research. Sage, London (2013).