Silverman, David
Doing qualitative research : a practical handbook
Sage, 2000
 Buku Teks SO
Silverman, David
Doing qualitative research: a practical handbook
Sage Publications , 2010
 Buku Teks SO
Handbook of qualitative research
Norman K. Denzin, Yvonna S. Lincoln, editors
Sage Publications, 1994
 Buku Referensi
The Sage handbook of qualitative research
edited by Norman K. Denzin, Yvonna S. Lincoln
Sage, 2011
 Buku Referensi
The Sage handbook of qualitative research
edited by Norman K. Denzin and Yvonna S. Lincoln
Sage , 2011
 Buku Teks SO