Patton, Michael Quinn
Qualitative evaluation and research methods
Sage, 1990
Buku Teks SO
Lindlof, Thomas R.
Qualitative communication research methods
Sage, 2002
Buku Teks SO
Gummesson, Evert
Qualitative methods in management research
Sage, 2000
Buku Teks
Lindlof, Thomas R.
Qualitative communication research methods
Sage, 1995
Buku Teks SO
Rice, Pranee Liamputtong
Qualitative Research Methods
Oxford University Press, 1999
Buku Teks SO