The Sage handbook of qualitative research
edited by Norman K. Denzin, Yvonna S. Lincoln
Sage, 2011
 Buku Referensi
The Sage handbook of qualitative research
Norman K. Denzin, Yvonna S. Lincoln, editor
Sage , 2011
 Buku Teks
The Sage handbook of qualitative research
editors, Norman K. Denzin, Yvonna S. Lincoln
Sage , 2018
 Buku Teks
Patton, Michael Quinn
Qualitative research and evaluation methods
Sage, 2002
 Buku Teks
Using qualitative methods in institutional research
edited by David M. Fetterman
Jossey Bass, 1991
 Buku Teks